This photo taken on February 19, 2020 shows police officers wearing protective face masks riding horses on their way to visit residents who live in remote areas in Altay, farwest China's Xinjiang region, to promote the awareness of the virus. The death toll from China's new coronavirus epidemic jumped to 2,112 on February 20 after 108 more people died in Hubei province, the hard-hit epicentre of the outbreak. (Photo by AFP Photo/China Stringer Network)





In this February 18, 2020, photo released by Xinhua News Agency, workers go door to door to check the temperature of residents during a health screening campaign in the Qingheju Community, Qingshan District of Wuhan in central China's Hubei Province. Protective suit-clad inspectors in the epicenter of China's viral outbreak went door-to-door to find every infected person in the central city suffering most from an epidemic that is showing signs of waning as new cases fell for a second day. (Photo by Cheng Min/Xinhua via AP Photo)





A man wearing a mask stretches amongst decoration promoting a movie in Beijing, China on Wednesday, February 19, 2020. Even as authorities went door to door to find the infected in Wuhan, the epic center of the viral outbreak, Beijing was showing signs of coming back to life this week, with road traffic at around a quarter of usual, up from virtually nothing a week ago. While most restaurants, stores and office buildings remained closed, others had reopened. (Photo by Ng Han Guan/AP Photo)





A woman wears a mask as she strolls through a quiet retail street in Beijing, China on Wednesday, February 19, 2020. (Photo by Sam McNeil/AP Photo)





Workers put up government propaganda to fight against the viral outbreak in Beijing, China on Thursday, February 20, 2020. A viral outbreak that began in China has infected more than 75,000 people globally. The World Health Organization has named the illness COVID-19, referring to its origin late last year and the coronavirus that causes it. (Photo by Ng Han Guan/AP Photo)





In this Monday, February 17, 2020, photo, volunteers pose for a photo with their handmade cotton masks in Hong Kong. Volunteers from a Hong Kong theater group are turning their backstage skills to helping out against the new coronavirus, sewing reusable protective masks for those who can't access or afford them. Jo Ngai, a drama lover and founder of the Nonsensemakers, along with her friend Jessie Han, have turned a theater rehearsal room into a temporary handmade mask factory. (Photo by Kin Cheung/AP Photo)





In this February 18, 2020, photo, medical staff on duty near the resting area for COVID-19 patients in a temporary hospital converted from an exhibition center in Wuhan in central China's Hubei province. The hospital, one of the dozen of its kind built in Wuhan, hosts COVID-19 patients with mild symptoms. (Photo by Chinatopix via AP Photo)





People wear face masks as they ride along a road in Beijing, Friday, February 21, 2020. Chinese health officials expressed new optimism Thursday over the deadly virus outbreak while authorities in South Korea’s fourth-largest city urged residents to hunker down as fears nagged communities far from the illness’ epicenter. (Photo by Mark Schiefelbein/AP Photo)





Security guards line up as workers in face masks dispense lunch outside of an office building in Beijing, Friday, February 21, 2020. China reported a further fall in new virus cases to 889 on Friday as health officials expressed optimism over containment of the outbreak that has caused more than 2,200 deaths and is spreading elsewhere. (Photo by Mark Schiefelbein/AP Photo)





People wearing face masks walk through a public park in Beijing, Friday, February 21, 2020. (Photo by Mark Schiefelbein/AP Photo)





People wearing face masks wait at a pedestrian cross walk Hong Kong Saturday, February 22, 2020. COVID-19 viral illness has sickened tens of thousands of people in China since December. (Photo by Vincent Yu/AP Photo)





In this Sunday, February 23, 2020, photo, a man wearing a protective face mask passes groceries through the barricades blocked a residential area in Wuhan in central China's Hubei province Sunday. Warning that China's virus epidemic is “still grim and complex”, President Xi Jinping called Sunday for more efforts to stop the outbreak, revive industry and prevent the disease from disrupting spring planting of crops. (Photo by Chinatopix via AP Photo)





In this photo taken Saturday, February 22, 2020, a security guard looks out near a smoke stack near residential apartments in Beijing, China. Regulators on Monday promised tax cuts and other aid to help companies recover from China's virus outbreak and expressed confidence the ruling Communist Party's growth targets can be achieved despite anti-disease controls that shut down much of the economy. (Photo by Ng Han Guan/AP Photo)





A barber wearing a protective face mask cuts a clients hair with an eye cover and face mask at a hair salon in Beijing, Monday, February 24, 2020. Monday is the second day of the second month of the Chinese lunar calendar, traditionally an auspicious time when people rush into barbershops to get new haircuts. Getting a fresh look on the day is thought to bring good luck for the year ahead, but getting a haircut has become a challenge in China now that most barbershops are temporarily shut to avoid public gatherings amid the virus outbreak. (Photo by Olivia Zhang/AP Photo)





In this photo taken Saturday, February 22, 2020, a chef looks out from behind a display of food products at a restaurant in Beijing, China. (Photo by Ng Han Guan/AP Photo)





In this photo taken Saturday, February 22, 2020, a resident walks on the quiet street of Beijing, China. (Photo by Ng Han Guan/AP Photo)





Few commuters ride in an almost empty subway train in Beijing, Monday, February 24, 2020. (Photo by Andy Wong/AP Photo)





People wear face masks at a street in Hong Kong Tuesday, February 25, 2020. COVID-19 viral illness has sickened tens of thousands of people in China since December. (Photo by Vincent Yu/AP Photo)





A security guard wears protective clothing as a preventive measure against the COVID-19 coronavirus as he stands at the entrance of a restaurant in Beijing on February 25, 2020. China on February 25 reported another 71 deaths from the novel coronavirus, the lowest daily number of fatalities in over two weeks, which raised the toll to 2,663. (Photo by Greg Baker/AFP Photo)





Shanghai Ballet dancers wearing masks practise in a dance studio in Shanghai, China, as the country is hit by an outbreak of the novel coronavirus, February 20, 2020. (Photo by Aly Song/Reuters)