Coronavirus pandemic sends pot sales soaring: report

Olive Trotman, left, is visited on Mother's Day by her son Mark, his wife Denise and his sister Kelly in Napton, England on Sunday, March 22, 2020. Olive suffers from a pulmonary disease and is taking the precaution of communicating at a safe distance or through a glass window to limit the potential spread of coronavirus.

Lithuania's Archbishop Gintaras Grusas speaks during a live broadcast of the Holy Mass at an empty catholic church, The Shrine of Divine Mercy, in Vilnius, Lithuania on Sunday, March 22, 2020.

Pope Francis delivers his blessing from the window of his private library overlooking an empty St. Peter's Square at the Vatican on Sunday, March 22, 2020. During his weekly Sunday blessing, held in his private library in the Apostolic Palace due to virus concerns, he urged all Christians to join in reciting the ''Our Father'' prayer next Wednesday at noon. He said that he would lead a global blessing to an empty St. Peter's Square on Friday.

Italian soldiers patrol the area in front of an empty St. Peter's Square at the Vatican on Sunday, March 22, 2020.

Iranian workers set up a makeshift hospital inside the Iran Mall, northwest of Tehran on March 21, 2020, amid the coronavirus outbreak. Iran said that 123 more people had died from coronavirus, raising the official death toll to 1,556 in the Islamic republic, one of the world's worst affected countries.

Serbian soldiers patrol along the Batrovci border crossing between Serbia and Croatia on March 20, 2020. From March 20 on, all border crossings, road, rail, river and airport have been closed. Only transport of equipment and goods can enter or transit. Currently, there are 135 positive cases of coronavirus in the Republic of Serbia.

Cars head downtown on the 110 Freeway during lighter than normal traffic after sunrise on March 20, 2020 in Los Angeles, Calif. California Governor Gavin Newsom issued a statewide 'stay at home' order for California's 40 million residents except for 'necessary activities' in order to slow the spread of COVID-19.

A pedestrian walks past a shuttered movie theater, with the message "Stay Safe and Healthy" displayed on the marquee on March 19, 2020 in Los Angeles, Calif. California Governor Gavin Newsom issued a statewide "stay at home" order for California's 40 million residents except for "necessary activities" in the hopes of slowing the spread of COVID-19.

A soldier of the Honduran presidential guard disinfects the hands of a woman before she enters a supermarket during a break of the curfew imposed by the government in Tegucigalpa on March 19, 2020.

A medical personnel member takes samples of person at a drive-thru coronavirus testing lab set up at Somerville Hospital in Somerville, Mass. on March 18, 2020.

Health care staff from the Community Health of South Florida, Inc. (CHI) prepare to test people for the coronavirus in the parking lot of its Doris Ison Health Center on March 18, 2020 in Miami, Florida. CHI said the testing for COVID-19 will be from Monday through Friday from 9 a.m. to 12 p.m.

A health professional holds a swab test for the COVID-19 coronavirus at a drive through testing site outside the Lancet Laboratories facilities in Johannesburg, on March 19, 2020. African countries have been among the last to be hit by the global COVID-19 coronavirus epidemic, but as cases rise, many nations are now taking strict measures to block the illness.

A woman plays the saxophone from her balcony during home confinement due to the coronavirus on March 19, 2020 in Valencia. Spain announced deaths due to the novel coronavirus had risen about 30 percent over the past 24 hours to 767. A total of 17,147 people have contracted the disease in the country, a roughly 25 percent increase over the previous day, according to the health ministry, with the figure expected to rise further in the coming days as testing for COVID-19 becomes more readily available.

Parisians applaud healthcare employees from their balcony at 8 p.m. in Paris on March 18, 2020, the second day of a strict lockdown in France to stop the spread of COVID-19, caused by the novel coronavirus. The strict lockdown, requiring most people in France to remain at home, came into effect at midday on March 17, 2020, prohibiting all but essential outings in a bid to curb the coronavirus spread.

A cashier wearing a protective face mask works behind a plastic tarp in a supermarket on March 19, 2020 in Strasbourg, France, on the third day of a strict lockdown in France to stop the spread of COVID-19, caused by the coronavirus.

A woman looks at her phone as she sits on the small balcony of her top floor apartment on March 18, 2020 in Paris during a citywide lockdown.

A man reads a newspaper whose headline reads "Venezuela united against the Coronavirus" outside the closed National Transport Terminal on March 17, 2020 in Caracas, Venezuela. Venezuela is now on national alert after President Nicolas Maduro extended quarantine from seven states to nationwide due to increasing cases of COVID-19.

California Street in San Francisco's financial district is free of cars and pedestrians on March 17, 2020 in San Francisco, California. Six San Francisco Bay Area counties have ordered residents to shelter in place in an effort to reduce social interaction and slow the spread of the coronavirus.

An elderly man walks by the Esplanade du Trocadero square near the Eiffel Tower in Paris on March 17, 2020. A strict lockdown requiring most people in France to remain at home came into effect at midday on March 17, prohibiting all but essential outings in a bid to curb the coronavirus spread.

Workers from the Guatemalan Health Ministry mount a temporary hospital to treat possible cases of the novel coronavirus COVID-19 at Park of the Industry in Guatemala City on March 17, 2020. Guatemala's President Alejandro Giammattei announced Monday the closure of borders and the suspension of international flights to confront the new coronavirus.

A near empty Pentagon City Mall in Arlington, Virginia is seen on March 17, 2020.

A traffic reminder to keep hands clean and stay healthy greets drivers on a Los Angeles freeway freeway on March 16, 2020 as the Coronavirus pandemic brings much of California to a standstill.

People pray at a door of the closed Basilica of the Lord of Miracles in Buga, Colombia on March 17, 2020 after it was closed as a preventive measure against the spread of the new coronavirus, COVID-19.

A traffic enforcer checks the temperature of a passengers at a checkpoint as authorities begin implementing lockdown measures on March 16, 2020, in Marikina, Metro Manila, Philippines. The Philippine government expanded Monday its lockdown on capital Manila to the whole of Luzon, the largest and most populous island in the country, to prevent the spread of COVID-19. The Philippines' Department of Health has so far confirmed 142 cases of the new coronavirus in the country, with at least 12 recorded fatalities.

Seats in the White House press briefing room are marked with warnings to maintain social distancing on March 16, 2020, in Washington, D.C. In addition to social distancing, the White House is now routinely checking the temperatures of people who may be in close contact with President Donald Trump or Vice President Mike Pence as efforts to contain the COVID-19 virus continue.

Men, wearing protective face masks, work to build a brand new Coronavirus intensive care field unit inside a former indoor sports centre at San Raffaele Hospital on March 16, 2020, in Milan, Italy. In just 5 days, Italian influencer Chiara Ferragni and her husband, rapper Fedez, raised €4+ million that will go toward noninvasive ventilation devices, hemodynamic monitoring, and monitors for the intensive care unit at San Raffaele Hospital, allowing to double the hospital's intensive care capacity.

Health care staff from the FoundCare Center wear protective gear as they help people who called to setup drive through appointments to be tested for the coronavirus in the parking lot on March 16, 2020, in West Palm Beach, Fla. FoundCare, a nonprofit federally qualified health center, said the testing for COVID-19 will be open to Palm Beach County residents who have called ahead for a scheduled appointment.

Pedestrians cross 9 de Julio Avenue as a sign makes announcements related to Coronavirus on March 16, 2020, in Buenos Aires, Argentina. President Alberto Fernandez announced measures to contain COVID-19 spread. Non-residents are not allowed to enter the country, classes at public and private schools were suspended for 15 days and people over 65 are on leave. No shows or sports events will be permitted. According to official reports, 56 people are infected with the virus and 2 were reported dead.

An Indian health worker cleans a train as a precautionary measure against the spread of coronavirus at a railway station on March 16, 2020, in New Delhi, India. The number of COVID-19 cases continue to rise in India, the second most populated country in the world behind China. On Monday, the provincial government in the capital New Delhi barred the assembly of more than 50 people and ordered closure of nightclubs and pubs. The Union Health Ministry said that 114 patients are being treated across the country.

German police guards secure the access road from Germany to enter Austria after the border is sealed to foreigners at a border crossing point Grainau on March 16, 2020 in Garmisch-Partenkirchen, Germany. Everyday life in Germany has become fundamentally altered as authorities tighten measures to stem the spread of the coronavirus. Public venues such as bars, clubs, museums, cinemas, schools, daycare centers and universities have closed. Many businesses are resorting to home office work for their employees. And travel across the border to most neighboring countries is severely restricted.

A train is washed at the Metro headquarters in Medellin, Colombia as a measure to prevent the spread of the coronavirus on March 14, 2020. Colombia's government declared a health emergency on March 12, a figure that allows the government to take exceptional measures such as prohibiting the landing of cruise ships and the suspension of public events with more than 500 attendees.

Workers wash and disinfect train cars at the Metro headquarters in Medellin, Colombia as a measure to prevent the spread of the coronavirus on March 14, 2020.

Medical staff members wearing protective suits take samples from a young boy to test for the novel coronavirus, also known as COVID-19, at the Bulovka hospital in Prague, Czech Republic on March 14, 2020. The Czech Republic's government has approved further measures early Saturday to try and stem the spread of the coronavirus. The government has ordered retail businesses including shopping malls to close as of Saturday morning.

Customers stand next to empty shelves at a supermarket on March 13, 2020 in Barcelona, Spain. As part of the measures against the virus expansion, the government has declared a state of emergency which will come into effect on Saturday. The number of people confirmed to be infected with the coronavirus (COVID-19) in Spain has increased to at least 4,334, with the latest death toll reaching 120, according to the country's Health Ministry.

A woman applauds as she stands on her balcony adorned with the Italian flag in the Garbatella neighborhood of Rome on March 14, 2020. The nationwide lockdown to slow coronavirus is still early days for much of Italy, but Italians are already showing signs of solidarity with flash mob calls circulating on social media for people to ''gather'' on their balconies at certain hours, either to play music or to give each other a round of applause.

A Sri Lankan health worker sprays disinfectant inside a house in a residential neighborhood where a suspected COVID-19 case was reported in Colombo, Sri Lanka on March 14, 2020.

A woman fixes a mask to a child at Barcelona airport in Spain on Thursday, March 12, 2020. President Donald Trump, who had downplayed the coronavirus for weeks, suddenly struck a different tone, announcing rules on restricting travel from much of Europe to begin this weekend. For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia.

President Donald Trump speaks in an address to the nation from the Oval Office at the White House about the coronavirus on Wednesday, March 11, 2020, in Washington. Trump announced he was suspending all travel from Europe to the U.S. for 30 days starting on Friday, March 13.

An empty classroom in a primary school in Son en Breugel, Netherlands is pictured as pupils had their classes suspended following the outbreak of the COVID-19.

A security personnel and a worker of the Provincial Disaster Management Authority (PDMA) of Balochistan stand near tents of a quarantine camp, prepared for people returning from Iran via the Pakistan-Iran border town of Taftan to prevent the spread the COVID-19 coronavirus, on the outskirts of Quetta on March 9, 2020. Since the novel coronavirus first emerged in late December 2019, 110,564 cases have been recorded in 100 countries and territories, killing 3,862 people, according to an AFP toll based on official sources.

A woman gestures as other people look on from aboard the Grand Princess cruise ship, operated by Princess Cruises, as it maintains a holding pattern about 25 miles off the coast of San Francisco, Calif. on March 8, 2020. California prepared to disembark passengers from a virus-hit cruise ship as officials played down any risk to local communities. The Grand Princess, which has 21 novel coronavirus infections among the 3,500 people on board, is set to dock in Oakland on Monday after four days held off the coast of nearby San Francisco.

Metropolitan Transportation Authority worker Duane Clark works to sanitize surfaces at the Avenue X subway station on March 3, 2020 in Brooklyn. The MTA is stepping up efforts to sanitize cars and stations as fears mount over the coronavirus.

Manhattan resident Alexandra Wiliams, donning a surgical mask, watches MTA cleaning staff disinfect the 86th St. Q train station on March 4, 2020 in New York. The number of cases in New York rose to 23 on the morning of Friday, March 6.

Traders work during the opening bell at the New York Stock Exchange (NYSE) on March 5, 2020, at Wall Street in New York City. Wall Street stocks tumbled again in opening trade on Thursday in fears of a global slowdown due to the coronavirus, extending the run of volatility that has dominated markets in recent weeks. About 20 minutes into trading, the benchmark Dow Jones Industrial Average was down 2.8 percent, or more 750 points, at 26,324.68. The index surged nearly 1,200 points on Wednesday.

A pedestrian walks past an NHS 111 Coronavirus (COVID-19) Pod, for people who believe they may be suffering from the virus to attend and speak to doctors, outside St Thomas' Hospital in London on March 5, 2020. The number of confirmed cases of novel coronavirus COVID-19 in the UK rose to 90 on Thursday, with fears over the outbreak delaying the global release of the new James Bond movie and causing a lack of demand for air travel.

People wearing facemasks are seen in the window of a quarantined building housing the dormitory of the North-Western State Medical University in Saint Petersburg on March 5, 2020. Saint Petersburg confirmed the city's first case of COVID-19 coronavirus after an Italian student of a local medical university tested positive after returning from Milan.

A picture shows the Venice Grand Canal totally empty in Venice, Italy on March 5, 2020. Italy closed all schools and universities until March 15 to help combat the spread of the novel coronavirus crisis. The government decision was announced moments after health officials said the death toll from COVID-19 had jumped to 107 and the number of cases had passed 3,000 in the country.

Passengers have their temperature checked as they pass a thermal scanner monitor upon arrival at the Adisucipto International Airport on March 5, 2020, in Yogyakarta, Indonesia. Indonesia will increase the existing travel ban on travelers from mainland China to include restrictions for passengers arriving from Italy, Iran and South Korea as of March 5 in an effort to stop the spread of Coronavirus (COVID-19). Indonesia reported it's first two COVID-19 infections this week.

A Walgreens pharmacy in Manhattan, New York, was sold out of face masks on Feb. 26, 2020.

A medic treats a patient infected with coronavirus at a hospital in Tehran, Iran on March 1, 2020.

People have their temperature checked and their hands disinfected as they enter the Palladium Shopping Center in northern Tehran, Iran on March 3, 2020. Iran's leader put the Islamic Republic's armed forces on alert Tuesday to assist health officials in combating the outbreak of the new coronavirus.

A health personnel checks the body temperature of a woman returning from Iran via the Pakistan-Iran border town of Taftan on February 29, 2020. Health officials in Pakistan are screening hundreds of people who had recently arrived from Iran, a new hotspot for coronavirus, after Islamabad this week confirmed its first two infections.

A woman who has recovered from the COVID-19 coronavirus infection is disinfected by volunteers as she arrives at a hotel for a 14-day quarantine after being discharged from a hospital in Wuhan, China on March 1, 2020. China reported 35 more deaths from the new coronavirus, taking the toll in the country to 2,870.

Elite runners take part in the Tokyo Marathon on March 1, 2020, in Tokyo, Japan. The 2020 Tokyo Marathon has been restricted to elite runners only as measures get underway in Japan to combat the Covid-19 virus. A growing number of events and sporting fixtures have been cancelled or postponed while some businesses are closing or asking their employees to work from home. Prime Minister Shinzo Abe has also asked schools to close for around a month from tomorrow as coronavirus cases increase and concerns mount over the effect the outbreak will have on the Tokyo Olympics.

Britain's Prime Minister Boris Johnson meets with staff in a laboratory at the Public Health England National Infection Service in Colindale in north London on March 1, 2020.

President Trump, center, prepares to answer questions after speaking about the coronavirus in the press briefing room at the White House on Saturday, Feb. 29, 2020, in Washington D.C., as from left, Health and Human Services Sec. Alex Azar, National Institute for Allergy and Infectious Diseases Dir. Dr. Anthony Fauci, Vice President Mike Pence; Robert Redfield, director of the Centers for Disease Control and Prevention; and U.S. Surgeon General Dr. Jerome Adams listen. A Seattle-area man in his 50s has died from the coronavirus, the first fatality in the United States, authorities said Saturday.

A woman and a child wear protective masks outside a hospital in Guadalajara, Mexico, on Feb. 28, 2020 as the coronoavirus continues to spread worldwide. Mexico's Health Ministry confirmed the country's first cases of the virus on Friday, saying two men who recently returned from Italy tested positive for the virus.

An employee packs protective face masks on an assembly line at the Valmy protective mask manufacturer plant in Mably, France, on Feb. 28, 2020. The spread of the virus to Europe has boosted the activity of Valmy, a French protective face mask manufacturer, with the number of employees in the production plant and warehouse rising from around 20 to 60 in the past month.

Employees pack protective face masks on an assembly line at the Valmy protective mask manufacturer plant in Mably, France, on Feb. 28, 2020.

A researcher works in a lab that is developing testing for the coronavirus at Hackensack Meridian Health Center for Discovery and Innovation on Feb. 28, 2020 in Nutley, New Jersey. The facility develops novel therapies for some of the world's most difficult diseases.

A Chinese worker wears a protective suit and mask as he checks the temperature of a man entering a grocery story on Feb. 28, 2020 in Beijing, China.

Members of Satarupa, an Indian non-governmental organization, hold a banner and candles to show solidarity with China in the fight against the coronavirus during a candle march vigil in Siliguri on Feb. 28, 2020.

Elementary school students make their way home on Feb. 27, 2020, in Ichikawa, Japan. A growing number of events and sporting fixtures are being canceled or postponed around Japan while some businesses are asking their employees to work from home and some schools are closing as Covid-19 cases continue to increase and concerns mount over the possibility that the epidemic will force the postponement or even cancellation of the Tokyo Olympics.

A worker wearing a protective suit sprays disinfectant at a primary school where a child was diagnosed with coronavirus in the northern city of Thessaloniki, Greece, on Thursday, Feb. 27, 2020. Greece's Health Minister Vassilis Kikilias said all Carnival events in Greece would be suspended as a precautionary measure.

In this Feb. 24, 2020, photo, Muslim pilgrims pray near the Kaaba, the cubic building at the Grand Mosque, as worshippers circumambulate around during the minor pilgrimage, known as Umrah, in the Muslim holy city of Mecca, Saudi Arabia. Saudi Arabia halted travel to the holiest sites on Feb. 27 in Islam over fears of the global outbreak of the new coronavirus just months ahead of the annual hajj pilgrimage, a move coming as the Mideast has over 220 confirmed cases of the illness.

A woman on a stretcher is carried out of an ambulance into a tent set up by the Italian Civil Protection next to the emergency ward of the Piacenza hospital in northern Italy on Thursday, Feb. 27, 2020. Italy is changing how it reports coronavirus cases and who will get tested in ways that could lower the country's caseload even as an outbreak centered in northern Italy spreads in Europe.

President Donald Trump, with members of the president's coronavirus task force, speaks during a news conference at the Brady press briefing room of the White House on Wednesday, Feb. 26, 2020, in Washington.

Mayor Bill de Blasio, left, with Dr. Oxiris Barbot, commissioner of the New York City Department of Health and Mental Hygiene, listens to a reporter's question as he reports on the city's preparedness for the potential spread of the coronavirus in New York City on Wednesday, Feb. 26, 2020. There are no known cases of COVID-19 in New York.

The Duomo Square is seen empty on Feb. 26, 2020, in Milan, Italy. The country is struggling to understand how it went from six coronavirus cases to 374 cases and 12 dead since last Friday, becoming Europe's worst-affected country. Many communities across the Lombardy and Veneto regions have seen the suspension of public events and church services, and the closure of grade schools, universities and museums. Twelve towns have been locked down entirely with roadblocks preventing the exit and entrance of people. The government has also imposed quarantines for those who have had close contact with confirmed cases of the illness.

Algerian paramedics wearing protective outfits are pictured in front of El-Kettar hospital's special unit to treat cases of coronavirus in the capital Algiers on Feb. 26, 2020. Algerian authorities announced yesterday the country's first case of the novel coronavirus, in an Italian citizen who arrived in the country on February 17.

A health worker screens the temperature of a passenger arriving from Milan Bergamo to Krakow International Airport on Feb. 26, 2020, in Krakow, Poland. As five European countries have reported cases of Covid-19 linked to Italy, medical checks are being implemented on all flights arriving from Northern Italy to Poland. According to the World Health Organization (WHO), more than 81,000 people have been diagnosed and around 2,700 have died due to the Coronavirus outbreak.

A member of the Iraqi civil defense sprays disinfectant on and around a building where Islamic students are quarantined for having had contact with Iraq's first confirmed case of novel coronavirus infection in the central holy city of Najaf, Iraq on Feb. 26, 2020. Najaf's authorities have beefed up precautionary measures since Iraq's first case of COVID-19 infection was confirmed on Feb. 24 in an Iranian national studying in a Shiite seminary in the holy city.

A member of sanitation services sanitizes a Vaporetto public waterbus in Venice on Feb. 26, 2020, after the COVID-19 outbreak has spread to northern Italy.

A medic checks the body temperature of passengers as a preventive measure against the coronavirus upon their arrival by bus in Syria's Kurdish area from Iraqi Kurdistan via the Semalka border crossing in northeastern Syria on Feb. 26, 2020.

Green Berets from the Italian Finance Guard (Guardia di Finanza) patrol by a check-point at one of the entrances of the small town of San Fiorano, southeast of Milan, on Feb. 26, 2020, situated in the red zone of the COVID-19 outbreak in northern Italy.

A customer talks with a Pharmacist at a drugstore in downtown Tehran, Iran on Feb. 25, 2020. The head of Iran's counter-coronavirus task force has tested positive for the virus himself, authorities announced Tuesday, showing the challenges facing the Islamic Republic amid concerns the outbreak may be far wider than officially acknowledged. The announcement comes as countries across the Mideast say they've had confirmed cases of the virus that link back to Iran, which for days denied having the virus.

Volunteers wearing protective face masks, amid fears of the spread of the coronavirus, disinfect a pedestrian bridge in Bangkok on Feb. 24, 2020.

Pakistani medical staff stand at the Pakistan-Iran border, which was closed due to the outbreak of coronavirus in neighboring Iran, on Feb. 25, 2020, in Taftan, Pakistan. Pakistan has closed its border with Iran after Tehran reported casualties from the deadly coronavirus, official said.

A dog wears a home made cover over its snout, which its owner said was as a preventive measure against the coronavirus, in Beijing on Feb. 25, 2020.

A woman wearing a protective face mask sits on the metro in central Milan on Feb. 24, 2020

An Italian Carabinieri officer, wearing a respiratory mask, stops and checks the documents of a truck driver at a roadblock on Feb. 24, 2020, in Guardamiglio, south-west of Milan, Italy. Guardamiglio is a town nearby one of the ten small towns placed under lockdown after coronavirus sparked infections throughout the Lombardy region. The spread marks Europe's biggest outbreak, prompting the Italian Government to issue draconian safety measures.

A rescue worker, wearing a protective suit, checks the medical condition of a man who tried to reach a hospital driving his own car but was eventually stopped by Italian Guardia di Finanza (Custom Police) officers at a roadblock on Feb. 24, 2020, in Casalpusterlengo, south-west of Milan, Italy.

A bus is driven by a driver in full protective clothing as it leaves the quarantined Diamond Princess cruise ship at Daikoku Pier on Feb. 16, 2020, in Yokohama, Japan. The United States has become the first country to offer to repatriate citizens on the Diamond Princess cruise ship while it remains quarantined in Yokohama Port with at least 285 passengers and crew onboard who have tested positive for the COVID-19 virus.

A boy wears a cardboard box on his head at the Shanghai Railway station in Shanghai on Feb. 13, 2020. The number of deaths and new cases from China's COVID-19 coronavirus outbreak spiked dramatically on February 13 after authorities changed the way they count infections in a move that will likely fuel speculation that the severity of the outbreak has been under-reported.

Passengers watch as the Westerdam cruise ship arrives at the port in Sihanoukville on Cambodia's southern coast on Feb. 13, 2020, where the liner had received permission to dock after being refused entry at other Asian ports due to fears of the COVID-19 coronavirus. Japan, Guam, the Philippines, Taiwan and Thailand all refused to allow the ship to dock, despite operator Holland America insisting there were no cases of the deadly disease on board.

Family members of Pakistani students studying in Wuhan, China, rally outside the Chinese Consulate for the evacuation of their children after the Chinese city was badly hit by the coronavirus, in Lahore, Pakistan on Thursday, Feb. 13, 2020.

In this photo released by Xinhua News Agency, workers produce face masks in the workshop of a textile company in the Jimo District of Qingdao in eastern China's Shandong Province on Wednesday, Feb. 12, 2020. Qingdao Municipal Bureau of Industry and Information Technology has mobilized two large textile companies to produce face masks to help the fight against the novel coronavirus epidemic.

Residents walk through a disinfection channel at the entrance to a residential compound in Beijing on Feb. 13, 2020.

Passengers step off a plane carrying Canadians back from the Wuhan province in China after it arrived at Canadian Forces Base Trenton in Trenton, Ontario on Tuesday, Feb. 11, 2020.

Residents wait to enter a checkpoint with a sign that reads "Returnees to Beijing registration point" in Beijing, China on Thursday, Feb. 13, 2020. China is struggling to restart its economy after the annual Lunar New Year holiday was extended to try to keep people home and contain novel coronavirus. Traffic remained light in Beijing, and many people were still working at home.

A customer has lunch with a transparent plastic panel set up on the table to isolate her from others in hopes of stopping the spread of the coronavirus in a Hong Kong on Wednesday, Feb. 12, 2020. China's ruling Communist Party needs to make a politically fraught decision: Admit a viral outbreak isn't under control and cancel this year's highest-profile official event. Or bring 3,000 legislators to Beijing next month and risk fueling public anger at the government's handling of the disease.

A woman wearing protective gear sits on the subway on February 10, 2020, in Beijing, China. February 10 marks the end of the Chinese New Year holidays, which were extended due to the outbreak of novel coronavirus. However, the Chinese capital remains empty and business does not seem to resume.

A Buddhist monk (C) wearing a protective face mask walks through Patan Durbar Square area in Patan, Nepal on Feb. 10, 2020. The new coronavirus that emerged in a Chinese market at the end of last year has killed more than 900 people and spread around the world.

Workers have lunch at a dining hall using boards to separate people to prevent the spread of the new coronavirus in Yantai in China's eastern Shandong province on Feb. 10, 2020.

In this photograph taken through a window, a worker in protective clothing, including face mask and gloves, is pictured cleaning the floor of the pharmacy attached to The County Oak Medical Centre in Brighton, southern England on Feb. 10, 2020, after it closed for "urgent operational health and safety reasons" following reports a member of staff was infected with the 2019-nCoV strain of the novel coronavirus. The British government on Monday warned the outbreak of novel coronavirus was a "serious and imminent threat" and reported four new cases that brought the total recorded in the country to eight.

Building management staff conduct temperature screenings of visitors and tenants of a building in the financial district of Singapore on Feb. 10, 2020, in the wake of the spread of the novel coronavirus. Singapore, which has reported 33 cases of people infected with novel coronavirus, raised its alert level on February 7 to "orange," the same as during the deadly 2003 SARS outbreak, indicating the virus is severe and passes easily between people.

A van of the German Red Cross (DRK) carrying German citizens repatriated from Wuhan arrives at the German Red Cross (DRK) hospital in Berlin Kopenick on Feb. 9, 2020.

People in protective suits assist passengers as they disembark from a plane, carrying 150 Britons who were trapped in Wuhan following a Coronavirus outbreak, after landing at RAF Brize Norton from China on Feb. 9, 2020, in Brize Norton, England. British citizens who arrived from Wuhan on two previous repatriation flights from Wuhan are quarantined at Arrowe Park Hospital on the Wirral.

American evacuees from the coronavirus outbreak in China board a bus after arriving by flight to Eppley Airfield in Omaha, Neb. on Feb. 7, 2020. The evacuees will be quarantined at Camp Ashland, a nearby Nebraska National Guard training base.

Health and Human Services Secretary Alex Azar (L), who is also Chairman of the President's Task Force on the coronavirus,is joined by members of President Donald Trump's Coronavirus task force - (l-r) Deputy Secretary of State Stephen Biegun, Homeland Security Acting Deputy Secretary Ken Cuccinelli (obscured), and Department of Transportation Acting Under Secretary for Policy Joel Szabat - during a news conference about the virus on Feb. 7, 2020 at the Health and Human Services headquarters in Washington.

Thailand's Public Health Minister Anutin Charnvirakul (L) distributes masks to commuters during a campaign for wearing masks and washing hands at the skytrain station in Bangkok, Thailand on Feb. 7, 2020. The coronavirus outbreak in China has thrown Thailand's and other Asian countries' travel industry into chaos, threatening billions in losses as millions of would-be travelers are staying home.

Commuters wearing face masks to protect themselves from the coronavirus take hand sanitizer during a campaign for washing hands at the skytrain station in Bangkok, Thailand on Feb. 7, 2020.

Passengers from the cruise ship "World Dream", docked at Kai Tak cruise terminal, wave to family members on shore in Hong Kong on Feb. 8, 2020. Approximately 1,800 passengers remained quarantined in Hong Kong's Victoria Harbour as of Saturday. Several passengers from mainland China on a previous World Dream cruise were found to have the new coronavirus on returning home.

People attend a vigil in Hong Kong on Feb. 7, 2020 for doctor Li Wenliang (pictured), 34, who first warned of the coronavirus in late 2019; Li died in Wuhan after contracting the virus while treating a patient. Li was contacted by Wuhan police in January 2020 and told to cease "rumors" about a coronavirus outbreak.

People attend a vigil in Hong Kong on February 7, 2020 for doctor Li Wenliang, 34, who died in Wuhan after contracting the virus while treating a patient.

People wearing masks attend a vigil for doctor Li Wenliang, who warned of the coronavirus before its global outbreak, in Hong Kong on Feb. 7, 2020.

Members of the Hospital Authority Employees Alliance (HAEA) and other activists hold placards during a strike at the Hospital Authority building in Hong Kong on Feb. 7, 2020, calling for the government to close its border with mainland China to contain the coronavirus epidemic. Hong Kong on Friday said it will deploy an army of volunteers to bolster plans to forcibly quarantine all arrivals from mainland China, warning that anyone caught breaching the new rules faces up to six months in prison.

A light installation reading "strike" stands before striking members of the Hospital Authority Employees Alliance (HAEA) and other activists at the Hospital Authority building in Hong Kong on Feb. 7, 2020, calling for the government to close its border with mainland China to contain the coronavirus epidemic.

A Japanese Self-Defense Forces Health Corps vehicle enters a cordoned-off area at the Daikoku Pier Cruise Terminal, where the quarantined Diamond Princess cruise ship (rear) is anchored, in Yokohama on Feb. 7, 2020. Over 3,700 people remain quarantined onboard due to fears of coronavirus and at least 61 people on board a cruise ship off Japan have tested positive for coronavirus.

A forklift driver in protective clothing loads supplies onto the Diamond Princess cruise ship as it sits docked at Daikoku Pier where it is being resupplied and newly diagnosed coronavirus cases taken for treatment as it remains in quarantine on Feb. 7, 2020 in Yokohama, Japan.

Disinfection workers in protective gear sterilizes the area against the coronavirus in Seoul's Tong-in Market on Feb. 7, 2020.

A disinfection worker in protective gear sterilizes the locker room of public bath against the coronavirus in Seoul's Tong-in Market on Feb. 7, 2020

Workers in protective gear on board a Japan Coast Guard boat transfer a person wrapped in a white sheet (background L, in shadow) from the Diamond Princess cruise ship in Yokohama on Feb. 5, 2020. Thousands were marooned on a cruise ship off the Japanese coast, after medics evacuated 10 people infected with the deadly coronavirus, with many facing an anxious wait for their own test results.

Workers in protective gear onboard a Japan Coast Guard boat transfer people wrapped in white sheets (R) from the Diamond Princess cruise ship in Yokohama on Feb. 5, 2020.

Medical staff ready to treat passengers while the World Dream cruiser is docked at the Kai Tak Cruise Terminal in Hong Kong. Hong Kong authorities are keeping 3,600 passengers and crew members under quarantine on the cruise ship World Dream after three previous travelers were diagnosed with the novel coronavirus and escorted with an ambulance.

A man wearing a protective face mask stands in front of TV screens broadcasting Hong Kong Chief Executive Carrie Lam delivering a speech in Hong Kong on Monday, Feb. 3, 2020. Lam says the city will shut almost all land and sea border control points to the mainland from midnight to stem the spread of the novel coronavirus from China.

Security staff checks on the temperature of students entering a university, as public fear over China's Wuhan Coronavirus grows, on Feb. 3, 2020, in Manila, Philippines.

Medical workers in protective suits move a coronavirus patient into an isolation ward at the Second People's Hospital in Fuyang in central China's Anhui Province, Saturday, Feb. 1, 2020.

Medical workers in protective suits move a coronavirus patient into an isolation ward at the Second People's Hospital in Fuyang, China on Saturday, Feb. 1, 2020. The death toll in China's virus outbreak rose to 259 on Saturday and Beijing criticized Washington's tightening of travel controls to bar most foreign nationals who visited the country within the past two weeks.

Afghan health workers wearing protective gear wait to check passengers who arrived from China as a preventive measure for Coronavirus at the Hamid Karzai International Airport in Kabul, Afghanistan on Monday, Feb. 3, 2020. Screening has begun in all airports and land ports in Afghanistan, especially those who arrive from China.

In this Feb. 2, 2020, photo, a military officer wearing a protective suit gives instructions to evacuees from Wuhan, China as they travel to a hospital after their arrival at a military base in Wroclaw, Poland.

A person holds a child as passengers grab their luggage while disembarking from a Turkish cargo plane at the Etimesgut Military Airport on Feb. 1, 2020, in Ankara, Turkey, after being repatriated from the Chinese city of Wuhan, the epicenter of the new coronavirus outbreak. In a continuing effort to contain the virus, multiple countries, including the U.S., are temporarily barring entry to noncitizens who have recently visited China.

A delivery man wears a protective mask and suit as he delivers packages on a bicycle on Saturday, Feb. 1, 2020, in Wuhan, Hubei province, China. The number of those who have died from the Wuhan coronavirus, known as 2019-nCoV, in China climbed to 259 on Saturday, with confirmed infections of nearly 12,000. Cases have been reported in other countries including the United States, Canada, Australia, Japan, South Korea, India, the United Kingdom, Germany, France, and several others.

A woman carries supplies into Arrowe Park Hospital, where British evacuees returning from Wuhan are to be quarantined on Jan. 31, 2020 in Wirral, Merseyside.

A police outrider heads a convoy of coaches carrying British nationals evacuated from Wuhan in China amid the coronavirus outbreak and medical personnel in a protective suit driving away from the Royal Air Force station at RAF Brize Norton in Carterton, west of London, on Jan. 31, 2020.

Items are removed from the accommodation blocks that are being prepared to house British nationals evacuated from Wuhan amid the novel coronavirus outbreak at Arrowe Park Hospital, in Wirral, near Liverpool, northwest England on Jan. 31, 2020.

Camp beds are seen at a Medical Assessment Center set up at the airport in Frankfurt am Main, western Germany, on Jan. 31, 2020

Passengers from an international flight are screened for their temperature at Juba International Airport in Juba, South Sudan on Jan. 31, 2020. South Sudan's international airport has implemented more rigorous health screenings after the World Health Organisation declared the coronavirus a global health emergency the day before.

A Myanmar health officer checks the temperature of a motorist entering the Myanmar-China border crossing checkpoint in Muse, Shan State on Jan. 31, 2020. Flights to China from Myanmar have been suspended.

Medical staff members wearing protective masks prepare a room in an isolation ward as a preventative measure following the coronavirus outbreak at the Pakistan Institute of Medical Sciences hospital in Islamabad on Jan. 31, 2020.

Foreign tourists wear face masks while taking a city tour in the city center on Jan. 31, 2020 in Hanoi, Vietnam. Vietnam confirmed three new cases of the coronavirus on January 30, making the overall number of reported victims five.

Residents wear surgical masks as they cross a street in a shopping district on Jan. 31, 2020 in Hong Kong, China. Hong Kong faces supply issues of surgical mask amid the coronavirus crisis. With over 9800 confirmed cases of coronavirus (2019-nCoV) around the world, the virus has so far claimed over 200 lives.

Passengers wait aboard the Costa Smeralda cruise ship, docked in the Civitavecchia port near Rome on Thursday, Jan. 30, 2020.

Chinese children wear plastic bottles as makeshift homemade protection and protective masks while waiting to check in to a flight at Beijing Capital Airport on Jan. 30, 2020, in Beijing, China. The number of cases of a deadly new coronavirus rose to over 7000 in mainland China Thursday as the country continued to lock down the city of Wuhan in an effort to contain the spread of the pneumonia-like disease, which medicals experts have confirmed can be passed from human to human. In an unprecedented move, Chinese authorities put travel restrictions on the city which is the epicentre of the virus and neighbouring municipalities affecting tens of millions of people. The number of those who have died from the virus in China climbed to over 170 on Thursday, mostly in Hubei province, and cases have been reported in other countries including the United States, Canada, Australia, Japan, South Korea, and France.

A man wearing a surgical mask makes a child wear one outside the government general hospital where a student who had been in Wuhan is kept in isolation in Thrissur, Kerala state, India, Thursday, Jan. 30, 2020. India on Thursday reported its first case of the new type of coronavirus in a student who had been in Wuhan as China counted 170 deaths from the new virus.

Hospital directors and provincial public health officials gather to participate in a medical preparedness meeting to face the threat of a new coronavirus outbreak in Bangkok, Thailand on Thursday, Jan. 30, 2020. The death toll rose to 170 from the new virus outbreak in China on Thursday as foreign evacuees from the worst-hit region begin returning home under close observation and world health officials expressed "great concern" that the disease is starting to spread between people outside of China.

This Jan. 29, 2020, photo shows screens warning about a new coronavirus in a subway train in Seoul, South Korea. The dangerous virus spreading through China threatens a wide range of industries with global ties to the world's second-largest economy. Chinese authorities have cut off access to Wuhan, where the virus originated, and 16 other cities to prevent further spread of the virus, affecting more than 50 million people.

Personnel in biological hazard suits await passengers evacuated from Wuhan, the Chinese city at the heart of a growing outbreak of the deadly 2019 Novel Coronavirus shortly after the plane landed at March Air Reserve Base in Riverside, Calif. on Jan. 29, 2020. Some 200 U.S. citizens evacuated from Wuhan were met on the tarmac by emergency vehicles and three buses. The Department of Defense said the evacuees will be sent to local hospitals if they are suspected of being infected with the coronavirus. The epidemic has killed more than 130 people and spread around the world since it first emerged in a live food market in Wuhan in December.

An ambulance carrying a Japanese citizen repatriated from Wuhan, who has shown flu-like symptoms during in-flight screening for coronavirus, leaves Haneda airport on Jan. 29, 2020, in Tokyo, Japan. Around 200 Japanese citizens have been repatriated from Wuhan on the first of several planned flights that aim to return around 650 nationals as China struggles to deal with an outbreak of coronavirus that has so far killed 132 people and spread to countries around the world.

Construction is underway as new hospitals are built to tackle the coronavirus on Jan. 28, 2020, in Wuhan, China.

People wear face masks as they buy supplies at a pharmacy in Phnom Penh on Jan. 29, 2020. Cambodia's health ministry reported the country's first case of the novel coronavirus, a virus similar to the SARS pathogen on Jan. 27, a 60-year-old man who arrived in the country from Wuhan and is now stable in an isolation room.

Indonesian health officials distribute face masks at the Panjang port in Lampung on Jan. 29, 2020. China has enacted extraordinary measures to contain the spread of a new coronavirus that has killed more than 130 people, infected thousands and reached some 15 countries.

Members of staff and customers wear face masks at the counter of a McDonald's restaurant in Hong Kong on Jan. 29, 2020, as a preventative measure following a coronavirus outbreak which began in the Chinese city of Wuhan.

A sign tells clients in various languages, including Chinese, that respiratory masks are sold out, on Jan. 29, 2020, at a pharmacy in downtown Rome. The Italian government said on Wednesday it was sending a plane to evacuate citizens from the Chinese city of Wuhan, the epicenter of a deadly SARS-like virus, as WHO chief called new emergency talks on the virus situation.

A man uses alcohol to disinfect the grounds nearby the Wuhan Huoshenshan hospital construction site on Jan. 28, 2020, in Wuhan, China. Wuhan Huoshenshan hospital will reportedly be ready for use on Feb. 3, 2020, with the capacity of 1000 beds. The 2019 coronavirus (2019-nCoV), which originated in Wuhan, China, has infected 4,500 people and killed at least 109, mostly in China.

People with protective face masks pass in front of a thermal scanner as they enter a shopping mall in Bangkok on Jan. 29, 2020. Thailand has detected 14 cases so far of the novel coronavirus, a virus similar to the SARS pathogen, an outbreak which began in the Chinese city of Wuhan.

An employee of the Emergency Response Coordination Centre (Centre de coordination de la reaction d'urgence - ERCC) works in the Crisis Management Center in Brussels on Jan. 29, 2020, regarding the outbreak of the coronavirus epidemic, which has so far killed 132 people and infected around 6,000 as it spreads around the world.

Russian President Vladimir Putin holds a meeting on preventing measures against the spread of novel coronavirus with Anna Popova, the head of Russia's consumer safety watchdog, deputy prime minister Tatyana Golikova and Health Minister Mikhail Murashko in Moscow, Jan. 29, 2020.

Tourists wearing surgical masks search for seashells on a beach next to Burj Al Arab in Dubai on Jan. 29, 2020. The United Arab Emirates announced the first confirmed cases of the new coronavirus in the Middle East, with a four-member Chinese family from Wuhan found to be infected.

A health worker checks the temperature of a man entering the subway on Jan. 26, 2020, in Beijing, China. Popular tourism landmarks in Beijing, including the Forbidden City, Badaling Great Wall, and The Palace Museum, were closed to the public starting Saturday. The Beijing Municipal Education Commission announced it will delay reopening schools from kindergarten to university. The death toll on Sunday rose to 56. The majority of fatalities are in Wuhan where the first cases of the virus were reported last month.

Workers make dumplings wearing maks on Jan. 26, 2020, in Beijing, China. The number of cases of coronavirus rose to 1,975 in mainland China on Sunday. Authorities tightened restrictions on travel and tourism this weekend after putting Wuhan, the capital of Hubei province, under quarantine on Thursday.

Chinese police officers walk in front of the gated entrance of The Palace Museum on Jan. 26, 2020, in Beijing, China. The spread of the virus corresponds with the first days of the Spring Festival, which is one of the biggest domestic travel weeks of the year in China.

Passengers wearing masks check their boarding passes after checking-in to a flight to Beijing at the Vaclav Havel International Airport in Prague, Czech Republic on Monday, Jan. 27, 2020. Prague's international airport is launching an information campaign for travelers who develop symptoms possibly linked to a new coronavirus illness.

A medical worker in protective gear checks a patient suspected of being ill with coronavirus at a community health station in Wuhan in central China's Hubei Province on Monday, Jan. 27, 2020. China on Monday expanded sweeping efforts to contain a viral disease by extending the Lunar New Year holiday to keep the public at home and avoid spreading infection.

Dr. Sharon Balter, at the podium, with Los Angeles County Department of Public Health officials, confirms a patient was taken to a hospital with Coronavirus symptoms at a news conference in Los Angeles on Sunday, Jan. 26, 2020. The U.S. has several confirmed cases of the new virus from China, all among people who traveled to the city at the center of the outbreak, health officials said Sunday.

Riot police check a local resident at the Fai Ming Estate in the Fanling district of Hong Kong on Sunday, Jan. 26, 2020.

People wear masks following the outbreak of a new virus as people arrive at Toronto Pearson International Airport in Toronto, Canada on Saturday, Jan. 25, 2020. A Toronto hospital said Saturday it has a confirmed case of the deadly virus from China, Canada's first. Sunnybrook Health Sciences Centre said it is "caring for a patient who has a confirmed case of the novel coronavirus that originated in Wuhan, China."

First aid volunteers work to extinguish a fire set by local residents at a building of the Fai Ming Estate in the Fanling district of Hong Kong on Sunday, Jan. 26, 2020, after the Hong Kong government announced it would requisition the unoccupied housing project to house quarantined patients of the new viral coronavirus illness.

A sales clerk at a pharmacy rings up a purchase of face masks as fears of the coronavirus continues on Friday, Jan 24, 2020 in Chicago. A Chicago woman has become the second U.S. patient diagnosed with the dangerous new virus from China, health officials announced Friday.

A Chinese passenger that just arrived on the last bullet train from Wuhan to Beijing is checked for a fever by a health worker at a Beijing railway station on Jan. 23, 2020 in Beijing, China. Cases have been reported in other countries including the United States,Thailand, Japan, Taiwan and South Korea.

Vietnam's Deputy Minister of Health Nguyen Truong Son puts on a protective suit before entering an isolation area to visit the first two cases of the new coronavirus infection in Cho Ray hospital in Ho Chi Minh City on Jan. 23, 2020.

Medical personnel wearing protective suits interact with two patients (R on bed and standing) who tested positive to the coronavirus in an isolation room at Cho Ray hospital in Ho Chi Minh City on Jan. 23, 2020.

Passengers from an international flight have their temperature checked as they pass a thermal scanner monitor upon arrival at the Adisucipto International Airport on Jan. 23, 2020 in Yogyakarta, Indonesia.

Wuhan citizens shop for Chinese New Year on Jan. 22, 2020 in Wuhan, China. Festivals and public events in Beijing have since been cancelled.

Pedestrians wear face masks as they walk through a crosswalk in Causeway Bay district on Jan. 23, 2020 in Hong Kong, China. Hong Kong reported its first two cases of Wuhan coronavirus infections on Wednesday.

Chinese police officers wear protective masks as they patrol before the annual Spring Festival at a Beijing railway station on Jan. 23, 2020 in Beijing, China.

A disinfection worker wearing protective gear sprays anti-septic solution in an train amid rising public concerns over the spread of China's Wuhan Coronavirus at SRT train station on Jan. 24, 2020 in Seoul, South Korea. The number of cases of a deadly new coronavirus rose to over 800 in mainland China as health officials stepped up efforts to contain the spread of the pneumonia-like disease, which medicals experts confirmed can be passed from human to human. The death toll in China has risen to 26.

Medical workers enter an isolation area to visit the first two cases of the new coronavirus infection in Cho Ray hospital in Ho Chi Minh City on Jan. 23, 2020. Two Chinese nationals in Vietnam have tested positive for the SARS-like coronavirus and are being treated in hospital, officials said on January 23.

An Indonesian health official monitors as passengers from an international flight have their temperature checked as they pass a thermal scanner monitor upon arrival at the Adisucipto International Airport on Jan. 23, 2020 in Yogyakarta, Indonesia.

A security uses alcohol to disinfect in community on Jan. 23, 2020 in Wuhan, China. Flights, trains and public transport including buses, subway and ferry services have been temporarily closed and officials have asked residents told to stay in town in order to help stop the outbreak of a strain of coronavirus.

People wearing masks walk through the Ginza shopping district on Jan. 24, 2020 in Tokyo, Japan. Japan is one of the most popular foreign travel destinations for Chinese tourists during the Lunar New Year holiday. The city reported two cases of Wuhan coronavirus infections as the number of those who have died from the virus in China climbed to 26.

Staff move bio-waste containers past the entrance of the Wuhan Medical Treatment Center, where some infected with a new virus are being treated, in Wuhan, China, Wednesday, Jan. 22, 2020.

Staff sells masks at a Yifeng Pharmacy in Wuhan, China, Wednesday, Jan. 22, 2020.

A worker sprays disinfectant at a train station in Wuhan in southern China's Hubei province on Wednesday, Jan. 22, 2020. Chinese health authorities urged people in the city of Wuhan to avoid crowds and public gatherings, after warning on Wednesday that a new viral illness that has infected hundreds and caused at least nine deaths could spread further.

Travelers wear face masks as they line up at turnstiles at a train station in Nantong, eastern China's Jiangsu province, Wednesday, Jan. 22, 2020. The number of cases of a new virus has risen to over 400 in China and the death toll to 9, Chinese health authorities said Wednesday.

Medical workers use an infrared thermometer to check travelers at a train station in Nanchang in southern China's Jiangxi Province on Wednesday, Jan. 22, 2020. Chinese health authorities urged people in the city of Wuhan to avoid crowds and public gatherings, after warning that a new viral illness that has infected more than 400 people and killed at least nine could spread further.

Hospital staff washes the emergency entrance of Wuhan Medical Treatment Center, where some infected with a new virus are being treated, in Wuhan, China, Wednesday, Jan. 22, 2020. The number of cases of a new coronavirus from Wuhan has risen to over 400 in China health authorities said Wednesday.

Li Bin, center, deputy director of China's National Health Commission, arrives for a press conference about a new type of coronavirus spreading in China at the State Council Information Office in Beijing, Wednesday, Jan. 22, 2020. Li told reporters that all the deaths had been in Hubei province, home to Wuhan city where the first illnesses from coronavirus were reported in late December.

In this photo released by China's Xinhua News Agency, a medical worker takes a passenger's temperature at Hankou Railway Station in Wuhan in southern China's Hubei province, Wednesday, Jan. 22, 2020.

Passengers wear masks to prevent an outbreak of a new coronavirus in the high-speed train station in Hong Kong on Wednesday, Jan. 22, 2020. The first case of coronavirus in Macao was confirmed on Wednesday, according to state broadcaster CCTV. The infected person, a 52-year-old woman, was a traveler from Wuhan.

A customer walks out of a Yifeng Pharmacy in Wuhan, China, Wednesday, Jan. 22, 2020. Pharmacies in Wuhan are restricting customers to buying one mask at a time amid high demand and worries over an outbreak of a new coronavirus. The number of cases of the new virus has risen over 400 in China and the death toll to 9, Chinese health authorities said Wednesday.

Health officials in hazmat suits check body temperatures of passengers arriving from the city of Wuhan on Wednesday, Jan. 22, 2020, at the airport in Beijing, China. Nearly two decades after the disastrously-handled SARS epidemic, China's more-open response to a new virus signals its growing confidence and a greater awareness of the pitfalls of censorship, even while the government is as authoritarian as ever.

Li Bin, center, deputy director of China's National Health Commission, speaks during a press conference about a new type of coronavirus spreading in China at the State Council Information Office in Beijing, Wednesday, Jan. 22, 2020. The number of cases of a new virus has risen to 440 in China and all the deaths had been in Hubei province, home to Wuhan city where the first illnesses from coronavirus were reported in late December.

A health official watches travelers on a thermographic monitor at the Kuala Lumpur International Airport in Sepang, Malaysia, Tuesday, Jan. 21, 2020.

A girl wears a face mask as she sits on a suitcase at the Beijing West Railway Station in Beijing, Tuesday, Jan. 21, 2020. A fourth person has died in an outbreak of a new coronavirus in China, authorities said Tuesday, as more places stepped up medical screening of travelers from the country as it enters its busiest travel period.

Dr. Satish Pillai, Division of Preparedness and Emerging Infections, Centers for Disease Control and Prevention, fields questions during a news conference at the Public Health Laboratories on Tuesday, Jan. 21, 2020, in Shoreline, Wash. The U.S. reported its first case of a new and potentially deadly virus circulating in China, saying a Washington state resident who returned last week from the outbreak's epicenter was hospitalized near Seattle.

Staff in biohazard suits hold a metal stretcher by the in-patient department of Wuhan Medical Treatment Center, where some infected with a new coronavirus are being treated, in Wuhan, China on Tuesday, Jan. 21, 2020. Heightened precautions were being taken in China and elsewhere Tuesday as governments strive to control the outbreak of the coronavirus, which threatens to grow during the Lunar New Year travel rush.

Workers spray antiseptic solution in the arrival lobby amid rising public concerns over the possible spread of a new coronavirus at Incheon International Airport in Incheon, South Korea, Tuesday, Jan. 21, 2020.

Health officials wear face masks at an inspection at Kuala Lumpur International Airport in Sepang, Malaysia on Tuesday, Jan. 21, 2020. Countries both in the Asia-Pacific and elsewhere have initiated body temperature checks at airports, railway stations and along highways in hopes of catching those at risk of carrying a new coronavirus that has sickened more than 200 people in China.

A thermal camera monitor shows the body temperature of passengers arriving from overseas at Incheon International Airport in Incheon, South Korea on Tuesday, Jan. 21, 2020.

A woman wears a face mask as she prepares to board an intercity bus with other migrant workers in Qingdao in eastern China's Shandong province on Tuesday, Jan. 21, 2020. Face masks sold out and temperature checks at airports and train stations becomes the new norm as China strives to control the outbreak of a new coronavirus that has reached four other countries and territories and threatens to spread further during the Lunar New Year travel rush.

People queue outside a pharmacy to purchase a protective face mask, thermometer and hand sanitizer in Singapore on Jan. 29, 2020. Singapore has so far confirmed seven cases of the novel coronavirus, a virus similar to the SARS pathogen, all of them arrivals from Wuhan.

In this Tuesday, Jan. 21, 2020, photo, a worker monitors display screens for infrared thermometers as they check travelers at Hankou Railway Station in Wuhan in southern China's Hubei province.

A notice explaining precautions to be taken by people traveling to Wuhan, China, is seen at a terminal of Rome's International Fiumicino airport, Tuesday, Jan. 21, 2020. Heightened precautions are being taken worldwide as a new strain of coronavirus has been infecting hundreds of people across the central Chinese metropolis.

A traveler passes through a health screening checkpoint at Wuhan Tianhe International Airport in Wuhan in southern China's Hubei province on Tuesday, Jan. 21, 2020. A fourth person has died in an outbreak of a new coronavirus in China, authorities said Tuesday, as more places stepped up medical screening of travelers from the country as it enters its busiest travel period.

An official uses an infrared thermometer on a traveler at a health screening checkpoint at Wuhan Tianhe International Airport in Wuhan in southern China's Hubei province, Tuesday, Jan. 21, 2020.

The Pure Oasis recreational marijuana shop in Boston.

A victim of the Covid-19 virus is evacuated from the Mulhouse civil hospital, eastern France, on Monday March 23, 2020. The Grand Est region is now the epicenter of the outbreak in France, which has buried the third-most virus victims in Europe, after Italy and Spain.

The Pure Oasis recreational marijuana shop in Boston.

Olive Trotman, left, is visited on Mother's Day by her son Mark, his wife Denise and his sister Kelly in Napton, England on Sunday, March 22, 2020. Olive suffers from a pulmonary disease and is taking the precaution of communicating at a safe distance or through a glass window to limit the potential spread of coronavirus.

Lithuania's Archbishop Gintaras Grusas speaks during a live broadcast of the Holy Mass at an empty catholic church, The Shrine of Divine Mercy, in Vilnius, Lithuania on Sunday, March 22, 2020.

Pope Francis delivers his blessing from the window of his private library overlooking an empty St. Peter's Square at the Vatican on Sunday, March 22, 2020. During his weekly Sunday blessing, held in his private library in the Apostolic Palace due to virus concerns, he urged all Christians to join in reciting the ''Our Father'' prayer next Wednesday at noon. He said that he would lead a global blessing to an empty St. Peter's Square on Friday.

Italian soldiers patrol the area in front of an empty St. Peter's Square at the Vatican on Sunday, March 22, 2020.

Iranian workers set up a makeshift hospital inside the Iran Mall, northwest of Tehran on March 21, 2020, amid the coronavirus outbreak. Iran said that 123 more people had died from coronavirus, raising the official death toll to 1,556 in the Islamic republic, one of the world's worst affected countries.

Serbian soldiers patrol along the Batrovci border crossing between Serbia and Croatia on March 20, 2020. From March 20 on, all border crossings, road, rail, river and airport have been closed. Only transport of equipment and goods can enter or transit. Currently, there are 135 positive cases of coronavirus in the Republic of Serbia.

Cars head downtown on the 110 Freeway during lighter than normal traffic after sunrise on March 20, 2020 in Los Angeles, Calif. California Governor Gavin Newsom issued a statewide 'stay at home' order for California's 40 million residents except for 'necessary activities' in order to slow the spread of COVID-19.

A pedestrian walks past a shuttered movie theater, with the message "Stay Safe and Healthy" displayed on the marquee on March 19, 2020 in Los Angeles, Calif. California Governor Gavin Newsom issued a statewide "stay at home" order for California's 40 million residents except for "necessary activities" in the hopes of slowing the spread of COVID-19.

A soldier of the Honduran presidential guard disinfects the hands of a woman before she enters a supermarket during a break of the curfew imposed by the government in Tegucigalpa on March 19, 2020.

A medical personnel member takes samples of person at a drive-thru coronavirus testing lab set up at Somerville Hospital in Somerville, Mass. on March 18, 2020.

Health care staff from the Community Health of South Florida, Inc. (CHI) prepare to test people for the coronavirus in the parking lot of its Doris Ison Health Center on March 18, 2020 in Miami, Florida. CHI said the testing for COVID-19 will be from Monday through Friday from 9 a.m. to 12 p.m.

A health professional holds a swab test for the COVID-19 coronavirus at a drive through testing site outside the Lancet Laboratories facilities in Johannesburg, on March 19, 2020. African countries have been among the last to be hit by the global COVID-19 coronavirus epidemic, but as cases rise, many nations are now taking strict measures to block the illness.

A woman plays the saxophone from her balcony during home confinement due to the coronavirus on March 19, 2020 in Valencia. Spain announced deaths due to the novel coronavirus had risen about 30 percent over the past 24 hours to 767. A total of 17,147 people have contracted the disease in the country, a roughly 25 percent increase over the previous day, according to the health ministry, with the figure expected to rise further in the coming days as testing for COVID-19 becomes more readily available.

Parisians applaud healthcare employees from their balcony at 8 p.m. in Paris on March 18, 2020, the second day of a strict lockdown in France to stop the spread of COVID-19, caused by the novel coronavirus. The strict lockdown, requiring most people in France to remain at home, came into effect at midday on March 17, 2020, prohibiting all but essential outings in a bid to curb the coronavirus spread.

A cashier wearing a protective face mask works behind a plastic tarp in a supermarket on March 19, 2020 in Strasbourg, France, on the third day of a strict lockdown in France to stop the spread of COVID-19, caused by the coronavirus.

A woman looks at her phone as she sits on the small balcony of her top floor apartment on March 18, 2020 in Paris during a citywide lockdown.

A man reads a newspaper whose headline reads "Venezuela united against the Coronavirus" outside the closed National Transport Terminal on March 17, 2020 in Caracas, Venezuela. Venezuela is now on national alert after President Nicolas Maduro extended quarantine from seven states to nationwide due to increasing cases of COVID-19.

California Street in San Francisco's financial district is free of cars and pedestrians on March 17, 2020 in San Francisco, California. Six San Francisco Bay Area counties have ordered residents to shelter in place in an effort to reduce social interaction and slow the spread of the coronavirus.

An elderly man walks by the Esplanade du Trocadero square near the Eiffel Tower in Paris on March 17, 2020. A strict lockdown requiring most people in France to remain at home came into effect at midday on March 17, prohibiting all but essential outings in a bid to curb the coronavirus spread.

Workers from the Guatemalan Health Ministry mount a temporary hospital to treat possible cases of the novel coronavirus COVID-19 at Park of the Industry in Guatemala City on March 17, 2020. Guatemala's President Alejandro Giammattei announced Monday the closure of borders and the suspension of international flights to confront the new coronavirus.

A near empty Pentagon City Mall in Arlington, Virginia is seen on March 17, 2020.

A traffic reminder to keep hands clean and stay healthy greets drivers on a Los Angeles freeway freeway on March 16, 2020 as the Coronavirus pandemic brings much of California to a standstill.

People pray at a door of the closed Basilica of the Lord of Miracles in Buga, Colombia on March 17, 2020 after it was closed as a preventive measure against the spread of the new coronavirus, COVID-19.

A traffic enforcer checks the temperature of a passengers at a checkpoint as authorities begin implementing lockdown measures on March 16, 2020, in Marikina, Metro Manila, Philippines. The Philippine government expanded Monday its lockdown on capital Manila to the whole of Luzon, the largest and most populous island in the country, to prevent the spread of COVID-19. The Philippines' Department of Health has so far confirmed 142 cases of the new coronavirus in the country, with at least 12 recorded fatalities.

Seats in the White House press briefing room are marked with warnings to maintain social distancing on March 16, 2020, in Washington, D.C. In addition to social distancing, the White House is now routinely checking the temperatures of people who may be in close contact with President Donald Trump or Vice President Mike Pence as efforts to contain the COVID-19 virus continue.

Men, wearing protective face masks, work to build a brand new Coronavirus intensive care field unit inside a former indoor sports centre at San Raffaele Hospital on March 16, 2020, in Milan, Italy. In just 5 days, Italian influencer Chiara Ferragni and her husband, rapper Fedez, raised €4+ million that will go toward noninvasive ventilation devices, hemodynamic monitoring, and monitors for the intensive care unit at San Raffaele Hospital, allowing to double the hospital's intensive care capacity.

Health care staff from the FoundCare Center wear protective gear as they help people who called to setup drive through appointments to be tested for the coronavirus in the parking lot on March 16, 2020, in West Palm Beach, Fla. FoundCare, a nonprofit federally qualified health center, said the testing for COVID-19 will be open to Palm Beach County residents who have called ahead for a scheduled appointment.

Pedestrians cross 9 de Julio Avenue as a sign makes announcements related to Coronavirus on March 16, 2020, in Buenos Aires, Argentina. President Alberto Fernandez announced measures to contain COVID-19 spread. Non-residents are not allowed to enter the country, classes at public and private schools were suspended for 15 days and people over 65 are on leave. No shows or sports events will be permitted. According to official reports, 56 people are infected with the virus and 2 were reported dead.

An Indian health worker cleans a train as a precautionary measure against the spread of coronavirus at a railway station on March 16, 2020, in New Delhi, India. The number of COVID-19 cases continue to rise in India, the second most populated country in the world behind China. On Monday, the provincial government in the capital New Delhi barred the assembly of more than 50 people and ordered closure of nightclubs and pubs. The Union Health Ministry said that 114 patients are being treated across the country.

German police guards secure the access road from Germany to enter Austria after the border is sealed to foreigners at a border crossing point Grainau on March 16, 2020 in Garmisch-Partenkirchen, Germany. Everyday life in Germany has become fundamentally altered as authorities tighten measures to stem the spread of the coronavirus. Public venues such as bars, clubs, museums, cinemas, schools, daycare centers and universities have closed. Many businesses are resorting to home office work for their employees. And travel across the border to most neighboring countries is severely restricted.

A train is washed at the Metro headquarters in Medellin, Colombia as a measure to prevent the spread of the coronavirus on March 14, 2020. Colombia's government declared a health emergency on March 12, a figure that allows the government to take exceptional measures such as prohibiting the landing of cruise ships and the suspension of public events with more than 500 attendees.

Workers wash and disinfect train cars at the Metro headquarters in Medellin, Colombia as a measure to prevent the spread of the coronavirus on March 14, 2020.

Medical staff members wearing protective suits take samples from a young boy to test for the novel coronavirus, also known as COVID-19, at the Bulovka hospital in Prague, Czech Republic on March 14, 2020. The Czech Republic's government has approved further measures early Saturday to try and stem the spread of the coronavirus. The government has ordered retail businesses including shopping malls to close as of Saturday morning.

Customers stand next to empty shelves at a supermarket on March 13, 2020 in Barcelona, Spain. As part of the measures against the virus expansion, the government has declared a state of emergency which will come into effect on Saturday. The number of people confirmed to be infected with the coronavirus (COVID-19) in Spain has increased to at least 4,334, with the latest death toll reaching 120, according to the country's Health Ministry.

A woman applauds as she stands on her balcony adorned with the Italian flag in the Garbatella neighborhood of Rome on March 14, 2020. The nationwide lockdown to slow coronavirus is still early days for much of Italy, but Italians are already showing signs of solidarity with flash mob calls circulating on social media for people to ''gather'' on their balconies at certain hours, either to play music or to give each other a round of applause.

A Sri Lankan health worker sprays disinfectant inside a house in a residential neighborhood where a suspected COVID-19 case was reported in Colombo, Sri Lanka on March 14, 2020.

A woman fixes a mask to a child at Barcelona airport in Spain on Thursday, March 12, 2020. President Donald Trump, who had downplayed the coronavirus for weeks, suddenly struck a different tone, announcing rules on restricting travel from much of Europe to begin this weekend. For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia.

President Donald Trump speaks in an address to the nation from the Oval Office at the White House about the coronavirus on Wednesday, March 11, 2020, in Washington. Trump announced he was suspending all travel from Europe to the U.S. for 30 days starting on Friday, March 13.

An empty classroom in a primary school in Son en Breugel, Netherlands is pictured as pupils had their classes suspended following the outbreak of the COVID-19.

A security personnel and a worker of the Provincial Disaster Management Authority (PDMA) of Balochistan stand near tents of a quarantine camp, prepared for people returning from Iran via the Pakistan-Iran border town of Taftan to prevent the spread the COVID-19 coronavirus, on the outskirts of Quetta on March 9, 2020. Since the novel coronavirus first emerged in late December 2019, 110,564 cases have been recorded in 100 countries and territories, killing 3,862 people, according to an AFP toll based on official sources.

A woman gestures as other people look on from aboard the Grand Princess cruise ship, operated by Princess Cruises, as it maintains a holding pattern about 25 miles off the coast of San Francisco, Calif. on March 8, 2020. California prepared to disembark passengers from a virus-hit cruise ship as officials played down any risk to local communities. The Grand Princess, which has 21 novel coronavirus infections among the 3,500 people on board, is set to dock in Oakland on Monday after four days held off the coast of nearby San Francisco.

Metropolitan Transportation Authority worker Duane Clark works to sanitize surfaces at the Avenue X subway station on March 3, 2020 in Brooklyn. The MTA is stepping up efforts to sanitize cars and stations as fears mount over the coronavirus.

Manhattan resident Alexandra Wiliams, donning a surgical mask, watches MTA cleaning staff disinfect the 86th St. Q train station on March 4, 2020 in New York. The number of cases in New York rose to 23 on the morning of Friday, March 6.

Traders work during the opening bell at the New York Stock Exchange (NYSE) on March 5, 2020, at Wall Street in New York City. Wall Street stocks tumbled again in opening trade on Thursday in fears of a global slowdown due to the coronavirus, extending the run of volatility that has dominated markets in recent weeks. About 20 minutes into trading, the benchmark Dow Jones Industrial Average was down 2.8 percent, or more 750 points, at 26,324.68. The index surged nearly 1,200 points on Wednesday.

A pedestrian walks past an NHS 111 Coronavirus (COVID-19) Pod, for people who believe they may be suffering from the virus to attend and speak to doctors, outside St Thomas' Hospital in London on March 5, 2020. The number of confirmed cases of novel coronavirus COVID-19 in the UK rose to 90 on Thursday, with fears over the outbreak delaying the global release of the new James Bond movie and causing a lack of demand for air travel.

People wearing facemasks are seen in the window of a quarantined building housing the dormitory of the North-Western State Medical University in Saint Petersburg on March 5, 2020. Saint Petersburg confirmed the city's first case of COVID-19 coronavirus after an Italian student of a local medical university tested positive after returning from Milan.

A picture shows the Venice Grand Canal totally empty in Venice, Italy on March 5, 2020. Italy closed all schools and universities until March 15 to help combat the spread of the novel coronavirus crisis. The government decision was announced moments after health officials said the death toll from COVID-19 had jumped to 107 and the number of cases had passed 3,000 in the country.

Passengers have their temperature checked as they pass a thermal scanner monitor upon arrival at the Adisucipto International Airport on March 5, 2020, in Yogyakarta, Indonesia. Indonesia will increase the existing travel ban on travelers from mainland China to include restrictions for passengers arriving from Italy, Iran and South Korea as of March 5 in an effort to stop the spread of Coronavirus (COVID-19). Indonesia reported it's first two COVID-19 infections this week.

A Walgreens pharmacy in Manhattan, New York, was sold out of face masks on Feb. 26, 2020.

A medic treats a patient infected with coronavirus at a hospital in Tehran, Iran on March 1, 2020.

People have their temperature checked and their hands disinfected as they enter the Palladium Shopping Center in northern Tehran, Iran on March 3, 2020. Iran's leader put the Islamic Republic's armed forces on alert Tuesday to assist health officials in combating the outbreak of the new coronavirus.

A health personnel checks the body temperature of a woman returning from Iran via the Pakistan-Iran border town of Taftan on February 29, 2020. Health officials in Pakistan are screening hundreds of people who had recently arrived from Iran, a new hotspot for coronavirus, after Islamabad this week confirmed its first two infections.

A woman who has recovered from the COVID-19 coronavirus infection is disinfected by volunteers as she arrives at a hotel for a 14-day quarantine after being discharged from a hospital in Wuhan, China on March 1, 2020. China reported 35 more deaths from the new coronavirus, taking the toll in the country to 2,870.

Elite runners take part in the Tokyo Marathon on March 1, 2020, in Tokyo, Japan. The 2020 Tokyo Marathon has been restricted to elite runners only as measures get underway in Japan to combat the Covid-19 virus. A growing number of events and sporting fixtures have been cancelled or postponed while some businesses are closing or asking their employees to work from home. Prime Minister Shinzo Abe has also asked schools to close for around a month from tomorrow as coronavirus cases increase and concerns mount over the effect the outbreak will have on the Tokyo Olympics.

Britain's Prime Minister Boris Johnson meets with staff in a laboratory at the Public Health England National Infection Service in Colindale in north London on March 1, 2020.

President Trump, center, prepares to answer questions after speaking about the coronavirus in the press briefing room at the White House on Saturday, Feb. 29, 2020, in Washington D.C., as from left, Health and Human Services Sec. Alex Azar, National Institute for Allergy and Infectious Diseases Dir. Dr. Anthony Fauci, Vice President Mike Pence; Robert Redfield, director of the Centers for Disease Control and Prevention; and U.S. Surgeon General Dr. Jerome Adams listen. A Seattle-area man in his 50s has died from the coronavirus, the first fatality in the United States, authorities said Saturday.

A woman and a child wear protective masks outside a hospital in Guadalajara, Mexico, on Feb. 28, 2020 as the coronoavirus continues to spread worldwide. Mexico's Health Ministry confirmed the country's first cases of the virus on Friday, saying two men who recently returned from Italy tested positive for the virus.

An employee packs protective face masks on an assembly line at the Valmy protective mask manufacturer plant in Mably, France, on Feb. 28, 2020. The spread of the virus to Europe has boosted the activity of Valmy, a French protective face mask manufacturer, with the number of employees in the production plant and warehouse rising from around 20 to 60 in the past month.

Employees pack protective face masks on an assembly line at the Valmy protective mask manufacturer plant in Mably, France, on Feb. 28, 2020.

A researcher works in a lab that is developing testing for the coronavirus at Hackensack Meridian Health Center for Discovery and Innovation on Feb. 28, 2020 in Nutley, New Jersey. The facility develops novel therapies for some of the world's most difficult diseases.

A Chinese worker wears a protective suit and mask as he checks the temperature of a man entering a grocery story on Feb. 28, 2020 in Beijing, China.

Members of Satarupa, an Indian non-governmental organization, hold a banner and candles to show solidarity with China in the fight against the coronavirus during a candle march vigil in Siliguri on Feb. 28, 2020.

Elementary school students make their way home on Feb. 27, 2020, in Ichikawa, Japan. A growing number of events and sporting fixtures are being canceled or postponed around Japan while some businesses are asking their employees to work from home and some schools are closing as Covid-19 cases continue to increase and concerns mount over the possibility that the epidemic will force the postponement or even cancellation of the Tokyo Olympics.

A worker wearing a protective suit sprays disinfectant at a primary school where a child was diagnosed with coronavirus in the northern city of Thessaloniki, Greece, on Thursday, Feb. 27, 2020. Greece's Health Minister Vassilis Kikilias said all Carnival events in Greece would be suspended as a precautionary measure.

In this Feb. 24, 2020, photo, Muslim pilgrims pray near the Kaaba, the cubic building at the Grand Mosque, as worshippers circumambulate around during the minor pilgrimage, known as Umrah, in the Muslim holy city of Mecca, Saudi Arabia. Saudi Arabia halted travel to the holiest sites on Feb. 27 in Islam over fears of the global outbreak of the new coronavirus just months ahead of the annual hajj pilgrimage, a move coming as the Mideast has over 220 confirmed cases of the illness.

A woman on a stretcher is carried out of an ambulance into a tent set up by the Italian Civil Protection next to the emergency ward of the Piacenza hospital in northern Italy on Thursday, Feb. 27, 2020. Italy is changing how it reports coronavirus cases and who will get tested in ways that could lower the country's caseload even as an outbreak centered in northern Italy spreads in Europe.

President Donald Trump, with members of the president's coronavirus task force, speaks during a news conference at the Brady press briefing room of the White House on Wednesday, Feb. 26, 2020, in Washington.

Mayor Bill de Blasio, left, with Dr. Oxiris Barbot, commissioner of the New York City Department of Health and Mental Hygiene, listens to a reporter's question as he reports on the city's preparedness for the potential spread of the coronavirus in New York City on Wednesday, Feb. 26, 2020. There are no known cases of COVID-19 in New York.

The Duomo Square is seen empty on Feb. 26, 2020, in Milan, Italy. The country is struggling to understand how it went from six coronavirus cases to 374 cases and 12 dead since last Friday, becoming Europe's worst-affected country. Many communities across the Lombardy and Veneto regions have seen the suspension of public events and church services, and the closure of grade schools, universities and museums. Twelve towns have been locked down entirely with roadblocks preventing the exit and entrance of people. The government has also imposed quarantines for those who have had close contact with confirmed cases of the illness.

Algerian paramedics wearing protective outfits are pictured in front of El-Kettar hospital's special unit to treat cases of coronavirus in the capital Algiers on Feb. 26, 2020. Algerian authorities announced yesterday the country's first case of the novel coronavirus, in an Italian citizen who arrived in the country on February 17.

A health worker screens the temperature of a passenger arriving from Milan Bergamo to Krakow International Airport on Feb. 26, 2020, in Krakow, Poland. As five European countries have reported cases of Covid-19 linked to Italy, medical checks are being implemented on all flights arriving from Northern Italy to Poland. According to the World Health Organization (WHO), more than 81,000 people have been diagnosed and around 2,700 have died due to the Coronavirus outbreak.

A member of the Iraqi civil defense sprays disinfectant on and around a building where Islamic students are quarantined for having had contact with Iraq's first confirmed case of novel coronavirus infection in the central holy city of Najaf, Iraq on Feb. 26, 2020. Najaf's authorities have beefed up precautionary measures since Iraq's first case of COVID-19 infection was confirmed on Feb. 24 in an Iranian national studying in a Shiite seminary in the holy city.

A member of sanitation services sanitizes a Vaporetto public waterbus in Venice on Feb. 26, 2020, after the COVID-19 outbreak has spread to northern Italy.

A medic checks the body temperature of passengers as a preventive measure against the coronavirus upon their arrival by bus in Syria's Kurdish area from Iraqi Kurdistan via the Semalka border crossing in northeastern Syria on Feb. 26, 2020.

Green Berets from the Italian Finance Guard (Guardia di Finanza) patrol by a check-point at one of the entrances of the small town of San Fiorano, southeast of Milan, on Feb. 26, 2020, situated in the red zone of the COVID-19 outbreak in northern Italy.

A customer talks with a Pharmacist at a drugstore in downtown Tehran, Iran on Feb. 25, 2020. The head of Iran's counter-coronavirus task force has tested positive for the virus himself, authorities announced Tuesday, showing the challenges facing the Islamic Republic amid concerns the outbreak may be far wider than officially acknowledged. The announcement comes as countries across the Mideast say they've had confirmed cases of the virus that link back to Iran, which for days denied having the virus.

Volunteers wearing protective face masks, amid fears of the spread of the coronavirus, disinfect a pedestrian bridge in Bangkok on Feb. 24, 2020.

Pakistani medical staff stand at the Pakistan-Iran border, which was closed due to the outbreak of coronavirus in neighboring Iran, on Feb. 25, 2020, in Taftan, Pakistan. Pakistan has closed its border with Iran after Tehran reported casualties from the deadly coronavirus, official said.

A dog wears a home made cover over its snout, which its owner said was as a preventive measure against the coronavirus, in Beijing on Feb. 25, 2020.

A woman wearing a protective face mask sits on the metro in central Milan on Feb. 24, 2020

An Italian Carabinieri officer, wearing a respiratory mask, stops and checks the documents of a truck driver at a roadblock on Feb. 24, 2020, in Guardamiglio, south-west of Milan, Italy. Guardamiglio is a town nearby one of the ten small towns placed under lockdown after coronavirus sparked infections throughout the Lombardy region. The spread marks Europe's biggest outbreak, prompting the Italian Government to issue draconian safety measures.

A rescue worker, wearing a protective suit, checks the medical condition of a man who tried to reach a hospital driving his own car but was eventually stopped by Italian Guardia di Finanza (Custom Police) officers at a roadblock on Feb. 24, 2020, in Casalpusterlengo, south-west of Milan, Italy.

A bus is driven by a driver in full protective clothing as it leaves the quarantined Diamond Princess cruise ship at Daikoku Pier on Feb. 16, 2020, in Yokohama, Japan. The United States has become the first country to offer to repatriate citizens on the Diamond Princess cruise ship while it remains quarantined in Yokohama Port with at least 285 passengers and crew onboard who have tested positive for the COVID-19 virus.

A boy wears a cardboard box on his head at the Shanghai Railway station in Shanghai on Feb. 13, 2020. The number of deaths and new cases from China's COVID-19 coronavirus outbreak spiked dramatically on February 13 after authorities changed the way they count infections in a move that will likely fuel speculation that the severity of the outbreak has been under-reported.

Passengers watch as the Westerdam cruise ship arrives at the port in Sihanoukville on Cambodia's southern coast on Feb. 13, 2020, where the liner had received permission to dock after being refused entry at other Asian ports due to fears of the COVID-19 coronavirus. Japan, Guam, the Philippines, Taiwan and Thailand all refused to allow the ship to dock, despite operator Holland America insisting there were no cases of the deadly disease on board.

Family members of Pakistani students studying in Wuhan, China, rally outside the Chinese Consulate for the evacuation of their children after the Chinese city was badly hit by the coronavirus, in Lahore, Pakistan on Thursday, Feb. 13, 2020.

In this photo released by Xinhua News Agency, workers produce face masks in the workshop of a textile company in the Jimo District of Qingdao in eastern China's Shandong Province on Wednesday, Feb. 12, 2020. Qingdao Municipal Bureau of Industry and Information Technology has mobilized two large textile companies to produce face masks to help the fight against the novel coronavirus epidemic.

Residents walk through a disinfection channel at the entrance to a residential compound in Beijing on Feb. 13, 2020.

Passengers step off a plane carrying Canadians back from the Wuhan province in China after it arrived at Canadian Forces Base Trenton in Trenton, Ontario on Tuesday, Feb. 11, 2020.

Residents wait to enter a checkpoint with a sign that reads "Returnees to Beijing registration point" in Beijing, China on Thursday, Feb. 13, 2020. China is struggling to restart its economy after the annual Lunar New Year holiday was extended to try to keep people home and contain novel coronavirus. Traffic remained light in Beijing, and many people were still working at home.

A customer has lunch with a transparent plastic panel set up on the table to isolate her from others in hopes of stopping the spread of the coronavirus in a Hong Kong on Wednesday, Feb. 12, 2020. China's ruling Communist Party needs to make a politically fraught decision: Admit a viral outbreak isn't under control and cancel this year's highest-profile official event. Or bring 3,000 legislators to Beijing next month and risk fueling public anger at the government's handling of the disease.

A woman wearing protective gear sits on the subway on February 10, 2020, in Beijing, China. February 10 marks the end of the Chinese New Year holidays, which were extended due to the outbreak of novel coronavirus. However, the Chinese capital remains empty and business does not seem to resume.

A Buddhist monk (C) wearing a protective face mask walks through Patan Durbar Square area in Patan, Nepal on Feb. 10, 2020. The new coronavirus that emerged in a Chinese market at the end of last year has killed more than 900 people and spread around the world.

Workers have lunch at a dining hall using boards to separate people to prevent the spread of the new coronavirus in Yantai in China's eastern Shandong province on Feb. 10, 2020.

In this photograph taken through a window, a worker in protective clothing, including face mask and gloves, is pictured cleaning the floor of the pharmacy attached to The County Oak Medical Centre in Brighton, southern England on Feb. 10, 2020, after it closed for "urgent operational health and safety reasons" following reports a member of staff was infected with the 2019-nCoV strain of the novel coronavirus. The British government on Monday warned the outbreak of novel coronavirus was a "serious and imminent threat" and reported four new cases that brought the total recorded in the country to eight.

Building management staff conduct temperature screenings of visitors and tenants of a building in the financial district of Singapore on Feb. 10, 2020, in the wake of the spread of the novel coronavirus. Singapore, which has reported 33 cases of people infected with novel coronavirus, raised its alert level on February 7 to "orange," the same as during the deadly 2003 SARS outbreak, indicating the virus is severe and passes easily between people.

A van of the German Red Cross (DRK) carrying German citizens repatriated from Wuhan arrives at the German Red Cross (DRK) hospital in Berlin Kopenick on Feb. 9, 2020.

People in protective suits assist passengers as they disembark from a plane, carrying 150 Britons who were trapped in Wuhan following a Coronavirus outbreak, after landing at RAF Brize Norton from China on Feb. 9, 2020, in Brize Norton, England. British citizens who arrived from Wuhan on two previous repatriation flights from Wuhan are quarantined at Arrowe Park Hospital on the Wirral.

American evacuees from the coronavirus outbreak in China board a bus after arriving by flight to Eppley Airfield in Omaha, Neb. on Feb. 7, 2020. The evacuees will be quarantined at Camp Ashland, a nearby Nebraska National Guard training base.

Health and Human Services Secretary Alex Azar (L), who is also Chairman of the President's Task Force on the coronavirus,is joined by members of President Donald Trump's Coronavirus task force - (l-r) Deputy Secretary of State Stephen Biegun, Homeland Security Acting Deputy Secretary Ken Cuccinelli (obscured), and Department of Transportation Acting Under Secretary for Policy Joel Szabat - during a news conference about the virus on Feb. 7, 2020 at the Health and Human Services headquarters in Washington.

Thailand's Public Health Minister Anutin Charnvirakul (L) distributes masks to commuters during a campaign for wearing masks and washing hands at the skytrain station in Bangkok, Thailand on Feb. 7, 2020. The coronavirus outbreak in China has thrown Thailand's and other Asian countries' travel industry into chaos, threatening billions in losses as millions of would-be travelers are staying home.

Commuters wearing face masks to protect themselves from the coronavirus take hand sanitizer during a campaign for washing hands at the skytrain station in Bangkok, Thailand on Feb. 7, 2020.

Passengers from the cruise ship "World Dream", docked at Kai Tak cruise terminal, wave to family members on shore in Hong Kong on Feb. 8, 2020. Approximately 1,800 passengers remained quarantined in Hong Kong's Victoria Harbour as of Saturday. Several passengers from mainland China on a previous World Dream cruise were found to have the new coronavirus on returning home.

People attend a vigil in Hong Kong on Feb. 7, 2020 for doctor Li Wenliang (pictured), 34, who first warned of the coronavirus in late 2019; Li died in Wuhan after contracting the virus while treating a patient. Li was contacted by Wuhan police in January 2020 and told to cease "rumors" about a coronavirus outbreak.

People attend a vigil in Hong Kong on February 7, 2020 for doctor Li Wenliang, 34, who died in Wuhan after contracting the virus while treating a patient.

People wearing masks attend a vigil for doctor Li Wenliang, who warned of the coronavirus before its global outbreak, in Hong Kong on Feb. 7, 2020.

Members of the Hospital Authority Employees Alliance (HAEA) and other activists hold placards during a strike at the Hospital Authority building in Hong Kong on Feb. 7, 2020, calling for the government to close its border with mainland China to contain the coronavirus epidemic. Hong Kong on Friday said it will deploy an army of volunteers to bolster plans to forcibly quarantine all arrivals from mainland China, warning that anyone caught breaching the new rules faces up to six months in prison.

A light installation reading "strike" stands before striking members of the Hospital Authority Employees Alliance (HAEA) and other activists at the Hospital Authority building in Hong Kong on Feb. 7, 2020, calling for the government to close its border with mainland China to contain the coronavirus epidemic.

A Japanese Self-Defense Forces Health Corps vehicle enters a cordoned-off area at the Daikoku Pier Cruise Terminal, where the quarantined Diamond Princess cruise ship (rear) is anchored, in Yokohama on Feb. 7, 2020. Over 3,700 people remain quarantined onboard due to fears of coronavirus and at least 61 people on board a cruise ship off Japan have tested positive for coronavirus.

A forklift driver in protective clothing loads supplies onto the Diamond Princess cruise ship as it sits docked at Daikoku Pier where it is being resupplied and newly diagnosed coronavirus cases taken for treatment as it remains in quarantine on Feb. 7, 2020 in Yokohama, Japan.

Disinfection workers in protective gear sterilizes the area against the coronavirus in Seoul's Tong-in Market on Feb. 7, 2020.

A disinfection worker in protective gear sterilizes the locker room of public bath against the coronavirus in Seoul's Tong-in Market on Feb. 7, 2020

Workers in protective gear on board a Japan Coast Guard boat transfer a person wrapped in a white sheet (background L, in shadow) from the Diamond Princess cruise ship in Yokohama on Feb. 5, 2020. Thousands were marooned on a cruise ship off the Japanese coast, after medics evacuated 10 people infected with the deadly coronavirus, with many facing an anxious wait for their own test results.

Workers in protective gear onboard a Japan Coast Guard boat transfer people wrapped in white sheets (R) from the Diamond Princess cruise ship in Yokohama on Feb. 5, 2020.

Medical staff ready to treat passengers while the World Dream cruiser is docked at the Kai Tak Cruise Terminal in Hong Kong. Hong Kong authorities are keeping 3,600 passengers and crew members under quarantine on the cruise ship World Dream after three previous travelers were diagnosed with the novel coronavirus and escorted with an ambulance.

A man wearing a protective face mask stands in front of TV screens broadcasting Hong Kong Chief Executive Carrie Lam delivering a speech in Hong Kong on Monday, Feb. 3, 2020. Lam says the city will shut almost all land and sea border control points to the mainland from midnight to stem the spread of the novel coronavirus from China.

Security staff checks on the temperature of students entering a university, as public fear over China's Wuhan Coronavirus grows, on Feb. 3, 2020, in Manila, Philippines.

Medical workers in protective suits move a coronavirus patient into an isolation ward at the Second People's Hospital in Fuyang in central China's Anhui Province, Saturday, Feb. 1, 2020.

Medical workers in protective suits move a coronavirus patient into an isolation ward at the Second People's Hospital in Fuyang, China on Saturday, Feb. 1, 2020. The death toll in China's virus outbreak rose to 259 on Saturday and Beijing criticized Washington's tightening of travel controls to bar most foreign nationals who visited the country within the past two weeks.

Afghan health workers wearing protective gear wait to check passengers who arrived from China as a preventive measure for Coronavirus at the Hamid Karzai International Airport in Kabul, Afghanistan on Monday, Feb. 3, 2020. Screening has begun in all airports and land ports in Afghanistan, especially those who arrive from China.

In this Feb. 2, 2020, photo, a military officer wearing a protective suit gives instructions to evacuees from Wuhan, China as they travel to a hospital after their arrival at a military base in Wroclaw, Poland.

A person holds a child as passengers grab their luggage while disembarking from a Turkish cargo plane at the Etimesgut Military Airport on Feb. 1, 2020, in Ankara, Turkey, after being repatriated from the Chinese city of Wuhan, the epicenter of the new coronavirus outbreak. In a continuing effort to contain the virus, multiple countries, including the U.S., are temporarily barring entry to noncitizens who have recently visited China.

A delivery man wears a protective mask and suit as he delivers packages on a bicycle on Saturday, Feb. 1, 2020, in Wuhan, Hubei province, China. The number of those who have died from the Wuhan coronavirus, known as 2019-nCoV, in China climbed to 259 on Saturday, with confirmed infections of nearly 12,000. Cases have been reported in other countries including the United States, Canada, Australia, Japan, South Korea, India, the United Kingdom, Germany, France, and several others.

A woman carries supplies into Arrowe Park Hospital, where British evacuees returning from Wuhan are to be quarantined on Jan. 31, 2020 in Wirral, Merseyside.

A police outrider heads a convoy of coaches carrying British nationals evacuated from Wuhan in China amid the coronavirus outbreak and medical personnel in a protective suit driving away from the Royal Air Force station at RAF Brize Norton in Carterton, west of London, on Jan. 31, 2020.

Items are removed from the accommodation blocks that are being prepared to house British nationals evacuated from Wuhan amid the novel coronavirus outbreak at Arrowe Park Hospital, in Wirral, near Liverpool, northwest England on Jan. 31, 2020.

Camp beds are seen at a Medical Assessment Center set up at the airport in Frankfurt am Main, western Germany, on Jan. 31, 2020

Passengers from an international flight are screened for their temperature at Juba International Airport in Juba, South Sudan on Jan. 31, 2020. South Sudan's international airport has implemented more rigorous health screenings after the World Health Organisation declared the coronavirus a global health emergency the day before.

A Myanmar health officer checks the temperature of a motorist entering the Myanmar-China border crossing checkpoint in Muse, Shan State on Jan. 31, 2020. Flights to China from Myanmar have been suspended.

Medical staff members wearing protective masks prepare a room in an isolation ward as a preventative measure following the coronavirus outbreak at the Pakistan Institute of Medical Sciences hospital in Islamabad on Jan. 31, 2020.

Foreign tourists wear face masks while taking a city tour in the city center on Jan. 31, 2020 in Hanoi, Vietnam. Vietnam confirmed three new cases of the coronavirus on January 30, making the overall number of reported victims five.

Residents wear surgical masks as they cross a street in a shopping district on Jan. 31, 2020 in Hong Kong, China. Hong Kong faces supply issues of surgical mask amid the coronavirus crisis. With over 9800 confirmed cases of coronavirus (2019-nCoV) around the world, the virus has so far claimed over 200 lives.

Passengers wait aboard the Costa Smeralda cruise ship, docked in the Civitavecchia port near Rome on Thursday, Jan. 30, 2020.

Chinese children wear plastic bottles as makeshift homemade protection and protective masks while waiting to check in to a flight at Beijing Capital Airport on Jan. 30, 2020, in Beijing, China. The number of cases of a deadly new coronavirus rose to over 7000 in mainland China Thursday as the country continued to lock down the city of Wuhan in an effort to contain the spread of the pneumonia-like disease, which medicals experts have confirmed can be passed from human to human. In an unprecedented move, Chinese authorities put travel restrictions on the city which is the epicentre of the virus and neighbouring municipalities affecting tens of millions of people. The number of those who have died from the virus in China climbed to over 170 on Thursday, mostly in Hubei province, and cases have been reported in other countries including the United States, Canada, Australia, Japan, South Korea, and France.

A man wearing a surgical mask makes a child wear one outside the government general hospital where a student who had been in Wuhan is kept in isolation in Thrissur, Kerala state, India, Thursday, Jan. 30, 2020. India on Thursday reported its first case of the new type of coronavirus in a student who had been in Wuhan as China counted 170 deaths from the new virus.

Hospital directors and provincial public health officials gather to participate in a medical preparedness meeting to face the threat of a new coronavirus outbreak in Bangkok, Thailand on Thursday, Jan. 30, 2020. The death toll rose to 170 from the new virus outbreak in China on Thursday as foreign evacuees from the worst-hit region begin returning home under close observation and world health officials expressed "great concern" that the disease is starting to spread between people outside of China.

This Jan. 29, 2020, photo shows screens warning about a new coronavirus in a subway train in Seoul, South Korea. The dangerous virus spreading through China threatens a wide range of industries with global ties to the world's second-largest economy. Chinese authorities have cut off access to Wuhan, where the virus originated, and 16 other cities to prevent further spread of the virus, affecting more than 50 million people.

Personnel in biological hazard suits await passengers evacuated from Wuhan, the Chinese city at the heart of a growing outbreak of the deadly 2019 Novel Coronavirus shortly after the plane landed at March Air Reserve Base in Riverside, Calif. on Jan. 29, 2020. Some 200 U.S. citizens evacuated from Wuhan were met on the tarmac by emergency vehicles and three buses. The Department of Defense said the evacuees will be sent to local hospitals if they are suspected of being infected with the coronavirus. The epidemic has killed more than 130 people and spread around the world since it first emerged in a live food market in Wuhan in December.

An ambulance carrying a Japanese citizen repatriated from Wuhan, who has shown flu-like symptoms during in-flight screening for coronavirus, leaves Haneda airport on Jan. 29, 2020, in Tokyo, Japan. Around 200 Japanese citizens have been repatriated from Wuhan on the first of several planned flights that aim to return around 650 nationals as China struggles to deal with an outbreak of coronavirus that has so far killed 132 people and spread to countries around the world.

Construction is underway as new hospitals are built to tackle the coronavirus on Jan. 28, 2020, in Wuhan, China.

People wear face masks as they buy supplies at a pharmacy in Phnom Penh on Jan. 29, 2020. Cambodia's health ministry reported the country's first case of the novel coronavirus, a virus similar to the SARS pathogen on Jan. 27, a 60-year-old man who arrived in the country from Wuhan and is now stable in an isolation room.

Indonesian health officials distribute face masks at the Panjang port in Lampung on Jan. 29, 2020. China has enacted extraordinary measures to contain the spread of a new coronavirus that has killed more than 130 people, infected thousands and reached some 15 countries.

Members of staff and customers wear face masks at the counter of a McDonald's restaurant in Hong Kong on Jan. 29, 2020, as a preventative measure following a coronavirus outbreak which began in the Chinese city of Wuhan.

A sign tells clients in various languages, including Chinese, that respiratory masks are sold out, on Jan. 29, 2020, at a pharmacy in downtown Rome. The Italian government said on Wednesday it was sending a plane to evacuate citizens from the Chinese city of Wuhan, the epicenter of a deadly SARS-like virus, as WHO chief called new emergency talks on the virus situation.

A man uses alcohol to disinfect the grounds nearby the Wuhan Huoshenshan hospital construction site on Jan. 28, 2020, in Wuhan, China. Wuhan Huoshenshan hospital will reportedly be ready for use on Feb. 3, 2020, with the capacity of 1000 beds. The 2019 coronavirus (2019-nCoV), which originated in Wuhan, China, has infected 4,500 people and killed at least 109, mostly in China.

People with protective face masks pass in front of a thermal scanner as they enter a shopping mall in Bangkok on Jan. 29, 2020. Thailand has detected 14 cases so far of the novel coronavirus, a virus similar to the SARS pathogen, an outbreak which began in the Chinese city of Wuhan.

An employee of the Emergency Response Coordination Centre (Centre de coordination de la reaction d'urgence - ERCC) works in the Crisis Management Center in Brussels on Jan. 29, 2020, regarding the outbreak of the coronavirus epidemic, which has so far killed 132 people and infected around 6,000 as it spreads around the world.

Russian President Vladimir Putin holds a meeting on preventing measures against the spread of novel coronavirus with Anna Popova, the head of Russia's consumer safety watchdog, deputy prime minister Tatyana Golikova and Health Minister Mikhail Murashko in Moscow, Jan. 29, 2020.

Tourists wearing surgical masks search for seashells on a beach next to Burj Al Arab in Dubai on Jan. 29, 2020. The United Arab Emirates announced the first confirmed cases of the new coronavirus in the Middle East, with a four-member Chinese family from Wuhan found to be infected.

A health worker checks the temperature of a man entering the subway on Jan. 26, 2020, in Beijing, China. Popular tourism landmarks in Beijing, including the Forbidden City, Badaling Great Wall, and The Palace Museum, were closed to the public starting Saturday. The Beijing Municipal Education Commission announced it will delay reopening schools from kindergarten to university. The death toll on Sunday rose to 56. The majority of fatalities are in Wuhan where the first cases of the virus were reported last month.

Workers make dumplings wearing maks on Jan. 26, 2020, in Beijing, China. The number of cases of coronavirus rose to 1,975 in mainland China on Sunday. Authorities tightened restrictions on travel and tourism this weekend after putting Wuhan, the capital of Hubei province, under quarantine on Thursday.

Chinese police officers walk in front of the gated entrance of The Palace Museum on Jan. 26, 2020, in Beijing, China. The spread of the virus corresponds with the first days of the Spring Festival, which is one of the biggest domestic travel weeks of the year in China.

Passengers wearing masks check their boarding passes after checking-in to a flight to Beijing at the Vaclav Havel International Airport in Prague, Czech Republic on Monday, Jan. 27, 2020. Prague's international airport is launching an information campaign for travelers who develop symptoms possibly linked to a new coronavirus illness.

A medical worker in protective gear checks a patient suspected of being ill with coronavirus at a community health station in Wuhan in central China's Hubei Province on Monday, Jan. 27, 2020. China on Monday expanded sweeping efforts to contain a viral disease by extending the Lunar New Year holiday to keep the public at home and avoid spreading infection.

Dr. Sharon Balter, at the podium, with Los Angeles County Department of Public Health officials, confirms a patient was taken to a hospital with Coronavirus symptoms at a news conference in Los Angeles on Sunday, Jan. 26, 2020. The U.S. has several confirmed cases of the new virus from China, all among people who traveled to the city at the center of the outbreak, health officials said Sunday.

Riot police check a local resident at the Fai Ming Estate in the Fanling district of Hong Kong on Sunday, Jan. 26, 2020.

People wear masks following the outbreak of a new virus as people arrive at Toronto Pearson International Airport in Toronto, Canada on Saturday, Jan. 25, 2020. A Toronto hospital said Saturday it has a confirmed case of the deadly virus from China, Canada's first. Sunnybrook Health Sciences Centre said it is "caring for a patient who has a confirmed case of the novel coronavirus that originated in Wuhan, China."

First aid volunteers work to extinguish a fire set by local residents at a building of the Fai Ming Estate in the Fanling district of Hong Kong on Sunday, Jan. 26, 2020, after the Hong Kong government announced it would requisition the unoccupied housing project to house quarantined patients of the new viral coronavirus illness.

A sales clerk at a pharmacy rings up a purchase of face masks as fears of the coronavirus continues on Friday, Jan 24, 2020 in Chicago. A Chicago woman has become the second U.S. patient diagnosed with the dangerous new virus from China, health officials announced Friday.

A Chinese passenger that just arrived on the last bullet train from Wuhan to Beijing is checked for a fever by a health worker at a Beijing railway station on Jan. 23, 2020 in Beijing, China. Cases have been reported in other countries including the United States,Thailand, Japan, Taiwan and South Korea.

Vietnam's Deputy Minister of Health Nguyen Truong Son puts on a protective suit before entering an isolation area to visit the first two cases of the new coronavirus infection in Cho Ray hospital in Ho Chi Minh City on Jan. 23, 2020.

Medical personnel wearing protective suits interact with two patients (R on bed and standing) who tested positive to the coronavirus in an isolation room at Cho Ray hospital in Ho Chi Minh City on Jan. 23, 2020.

Passengers from an international flight have their temperature checked as they pass a thermal scanner monitor upon arrival at the Adisucipto International Airport on Jan. 23, 2020 in Yogyakarta, Indonesia.

Wuhan citizens shop for Chinese New Year on Jan. 22, 2020 in Wuhan, China. Festivals and public events in Beijing have since been cancelled.

Pedestrians wear face masks as they walk through a crosswalk in Causeway Bay district on Jan. 23, 2020 in Hong Kong, China. Hong Kong reported its first two cases of Wuhan coronavirus infections on Wednesday.

Chinese police officers wear protective masks as they patrol before the annual Spring Festival at a Beijing railway station on Jan. 23, 2020 in Beijing, China.

A disinfection worker wearing protective gear sprays anti-septic solution in an train amid rising public concerns over the spread of China's Wuhan Coronavirus at SRT train station on Jan. 24, 2020 in Seoul, South Korea. The number of cases of a deadly new coronavirus rose to over 800 in mainland China as health officials stepped up efforts to contain the spread of the pneumonia-like disease, which medicals experts confirmed can be passed from human to human. The death toll in China has risen to 26.

Medical workers enter an isolation area to visit the first two cases of the new coronavirus infection in Cho Ray hospital in Ho Chi Minh City on Jan. 23, 2020. Two Chinese nationals in Vietnam have tested positive for the SARS-like coronavirus and are being treated in hospital, officials said on January 23.

An Indonesian health official monitors as passengers from an international flight have their temperature checked as they pass a thermal scanner monitor upon arrival at the Adisucipto International Airport on Jan. 23, 2020 in Yogyakarta, Indonesia.

A security uses alcohol to disinfect in community on Jan. 23, 2020 in Wuhan, China. Flights, trains and public transport including buses, subway and ferry services have been temporarily closed and officials have asked residents told to stay in town in order to help stop the outbreak of a strain of coronavirus.

People wearing masks walk through the Ginza shopping district on Jan. 24, 2020 in Tokyo, Japan. Japan is one of the most popular foreign travel destinations for Chinese tourists during the Lunar New Year holiday. The city reported two cases of Wuhan coronavirus infections as the number of those who have died from the virus in China climbed to 26.

Staff move bio-waste containers past the entrance of the Wuhan Medical Treatment Center, where some infected with a new virus are being treated, in Wuhan, China, Wednesday, Jan. 22, 2020.

Staff sells masks at a Yifeng Pharmacy in Wuhan, China, Wednesday, Jan. 22, 2020.

A worker sprays disinfectant at a train station in Wuhan in southern China's Hubei province on Wednesday, Jan. 22, 2020. Chinese health authorities urged people in the city of Wuhan to avoid crowds and public gatherings, after warning on Wednesday that a new viral illness that has infected hundreds and caused at least nine deaths could spread further.

Travelers wear face masks as they line up at turnstiles at a train station in Nantong, eastern China's Jiangsu province, Wednesday, Jan. 22, 2020. The number of cases of a new virus has risen to over 400 in China and the death toll to 9, Chinese health authorities said Wednesday.

Medical workers use an infrared thermometer to check travelers at a train station in Nanchang in southern China's Jiangxi Province on Wednesday, Jan. 22, 2020. Chinese health authorities urged people in the city of Wuhan to avoid crowds and public gatherings, after warning that a new viral illness that has infected more than 400 people and killed at least nine could spread further.

Hospital staff washes the emergency entrance of Wuhan Medical Treatment Center, where some infected with a new virus are being treated, in Wuhan, China, Wednesday, Jan. 22, 2020. The number of cases of a new coronavirus from Wuhan has risen to over 400 in China health authorities said Wednesday.

Li Bin, center, deputy director of China's National Health Commission, arrives for a press conference about a new type of coronavirus spreading in China at the State Council Information Office in Beijing, Wednesday, Jan. 22, 2020. Li told reporters that all the deaths had been in Hubei province, home to Wuhan city where the first illnesses from coronavirus were reported in late December.

In this photo released by China's Xinhua News Agency, a medical worker takes a passenger's temperature at Hankou Railway Station in Wuhan in southern China's Hubei province, Wednesday, Jan. 22, 2020.

Passengers wear masks to prevent an outbreak of a new coronavirus in the high-speed train station in Hong Kong on Wednesday, Jan. 22, 2020. The first case of coronavirus in Macao was confirmed on Wednesday, according to state broadcaster CCTV. The infected person, a 52-year-old woman, was a traveler from Wuhan.

A customer walks out of a Yifeng Pharmacy in Wuhan, China, Wednesday, Jan. 22, 2020. Pharmacies in Wuhan are restricting customers to buying one mask at a time amid high demand and worries over an outbreak of a new coronavirus. The number of cases of the new virus has risen over 400 in China and the death toll to 9, Chinese health authorities said Wednesday.

Health officials in hazmat suits check body temperatures of passengers arriving from the city of Wuhan on Wednesday, Jan. 22, 2020, at the airport in Beijing, China. Nearly two decades after the disastrously-handled SARS epidemic, China's more-open response to a new virus signals its growing confidence and a greater awareness of the pitfalls of censorship, even while the government is as authoritarian as ever.

Li Bin, center, deputy director of China's National Health Commission, speaks during a press conference about a new type of coronavirus spreading in China at the State Council Information Office in Beijing, Wednesday, Jan. 22, 2020. The number of cases of a new virus has risen to 440 in China and all the deaths had been in Hubei province, home to Wuhan city where the first illnesses from coronavirus were reported in late December.

A health official watches travelers on a thermographic monitor at the Kuala Lumpur International Airport in Sepang, Malaysia, Tuesday, Jan. 21, 2020.

A girl wears a face mask as she sits on a suitcase at the Beijing West Railway Station in Beijing, Tuesday, Jan. 21, 2020. A fourth person has died in an outbreak of a new coronavirus in China, authorities said Tuesday, as more places stepped up medical screening of travelers from the country as it enters its busiest travel period.

Dr. Satish Pillai, Division of Preparedness and Emerging Infections, Centers for Disease Control and Prevention, fields questions during a news conference at the Public Health Laboratories on Tuesday, Jan. 21, 2020, in Shoreline, Wash. The U.S. reported its first case of a new and potentially deadly virus circulating in China, saying a Washington state resident who returned last week from the outbreak's epicenter was hospitalized near Seattle.

Staff in biohazard suits hold a metal stretcher by the in-patient department of Wuhan Medical Treatment Center, where some infected with a new coronavirus are being treated, in Wuhan, China on Tuesday, Jan. 21, 2020. Heightened precautions were being taken in China and elsewhere Tuesday as governments strive to control the outbreak of the coronavirus, which threatens to grow during the Lunar New Year travel rush.

Workers spray antiseptic solution in the arrival lobby amid rising public concerns over the possible spread of a new coronavirus at Incheon International Airport in Incheon, South Korea, Tuesday, Jan. 21, 2020.

Health officials wear face masks at an inspection at Kuala Lumpur International Airport in Sepang, Malaysia on Tuesday, Jan. 21, 2020. Countries both in the Asia-Pacific and elsewhere have initiated body temperature checks at airports, railway stations and along highways in hopes of catching those at risk of carrying a new coronavirus that has sickened more than 200 people in China.

A thermal camera monitor shows the body temperature of passengers arriving from overseas at Incheon International Airport in Incheon, South Korea on Tuesday, Jan. 21, 2020.

A woman wears a face mask as she prepares to board an intercity bus with other migrant workers in Qingdao in eastern China's Shandong province on Tuesday, Jan. 21, 2020. Face masks sold out and temperature checks at airports and train stations becomes the new norm as China strives to control the outbreak of a new coronavirus that has reached four other countries and territories and threatens to spread further during the Lunar New Year travel rush.

People queue outside a pharmacy to purchase a protective face mask, thermometer and hand sanitizer in Singapore on Jan. 29, 2020. Singapore has so far confirmed seven cases of the novel coronavirus, a virus similar to the SARS pathogen, all of them arrivals from Wuhan.

In this Tuesday, Jan. 21, 2020, photo, a worker monitors display screens for infrared thermometers as they check travelers at Hankou Railway Station in Wuhan in southern China's Hubei province.

A notice explaining precautions to be taken by people traveling to Wuhan, China, is seen at a terminal of Rome's International Fiumicino airport, Tuesday, Jan. 21, 2020. Heightened precautions are being taken worldwide as a new strain of coronavirus has been infecting hundreds of people across the central Chinese metropolis.

A traveler passes through a health screening checkpoint at Wuhan Tianhe International Airport in Wuhan in southern China's Hubei province on Tuesday, Jan. 21, 2020. A fourth person has died in an outbreak of a new coronavirus in China, authorities said Tuesday, as more places stepped up medical screening of travelers from the country as it enters its busiest travel period.

An official uses an infrared thermometer on a traveler at a health screening checkpoint at Wuhan Tianhe International Airport in Wuhan in southern China's Hubei province, Tuesday, Jan. 21, 2020.