Soldiers wearing face masks to help protect from the coronavirus disinfectant a paramilitary police guard post at an interchange bus stopping point during the 2022 Winter Paralympics, Wednesday, March 9, 2022, in the Yanqing district of Beijing. (Photo by Andy Wong/AP Photo)





Elderly couple and medical staff walk out from the Queen Elizabeth Hospital in Hong Kong, Wednesday, March 9, 2022. Hong Kong leader Carrie Lam said Wednesday that there is “no specific time frame” for the testing exercise, as authorities focused their efforts on reducing the number of COVID-related deaths in the city during its worst outbreak to date. (Photo by Kin Cheung/AP Photo)





Women scan health check QR codes to enter a shopping mall as a large video screen shows Chinese President Xi Jinping during coverage of the closing session of China's National People's Congress (NPC) in Beijing, Friday, March 11, 2022. (Photo by Ng Han Guan/AP Photo)





A man wearing a mask walks down the Qianmen Ave retail street on Thursday, March 10, 2022, in Beijing. China is tackling a COVID-19 spike with selective lockdowns and other measures that appear to slightly ease its draconian “zero tolerance” strategy. (Photo by Ng Han Guan/AP Photo)





This photo taken on March 10, 2022 shows a woman taking photos as people look at cherry blossoms in Nanjing in China's eastern Jiangsu province. (Photo by AFP Photo/China Stringer Network)





Health workers wearing personal protective equipment (PPE) treats patients in a holding area next to the accident and emergency department of Princess Margaret hospital in Hong Kong on March 11, 2022 as the city is facing its worst-ever Covid-19 coronavirus outbreak and has since seen overflowing hospitals and morgues, shortages of medics and ambulances and a frantic expansion of the city's spartan quarantine camp system. (Photo by Dale de la Rey/AFP Photo)





Patients walk along mobile cabins COVID-19 isolation facilities in the San Tin area of Hong Kong, Friday, March 11, 2022. (Photo by Kin Cheung/AP Photo)





A woman wearing a face mask walks in a park in Hong Kong, Saturday, March 12, 2022. (Photo by Kin Cheung/AP Photo)





A worker wearing a protective suit speaks to residents in a neighborhood in Changchun in northeastern China's Jilin Province, Friday, March 11, 2022. China on Friday ordered a lockdown of the 9 million residents of the northeastern city of Changchun amid a new spike in COVID-19 cases in the area attributed to the highly contagious omicron variant. (Photo by Chinatopix via AP Photo)





Volunteers prepare to disinfect the area during the COVID-19 lockdown in Changchun in northeast China's Jilin province Saturday, March 12, 2022. China on Friday ordered the lockdown of the 9 million residents of the northeastern city of Changchun amid a new spike in COVID-19 cases in the area attributed to the highly contagious omicron variant. (Photo by Chinatopix via AP Photo)





A resident walks in the snow during the COVID-19 lockdown in Changchun in northeastern China's Jilin province Saturday, March 12, 2022. (Photo by Chinatopix via AP Photo)





Residents line up for coronavirus screening during the COVID-19 lockdown in Changchun in northeastern China's Jilin province Saturday, March 12, 2022. (Photo by Chinatopix via AP Photo)





A volunteer disinfects the area as it snows during the COVID-19 lockdown in Changchun in northeast China's Jilin province Saturday, March 12, 2022. (Photo by Chinatopix via AP Photo)





Performers take part in the closing ceremony of the Beijing 2022 Winter Paralympic Games at the National Stadium, known as the Bird's Nest, in Beijing on March 13, 2022. (Photo by Wang Zhao/AFP Photo)





A child wearing a face mask walks a dog in Hong Kong, Sunday, March 13, 2022. The territory's leader, Chief Executive Carrie Lam, warned the peak of the latest surge in coronavirus infections might not have passed yet. (Photo by Kin Cheung/AP Photo)





An elderly woman wearing a face mask walks alone a street in Hong Kong, Sunday, March 13, 2022. (Photo by Kin Cheung/AP Photo)





A photographer wearing a face mask takes a wedding photograph of a couple on a street in Hong Kong, Sunday, March 13, 2022. (Photo by Kin Cheung/AP Photo)





A worker in protective gear helps pass on a bag from a resident inside a locked down community on Sunday, March 13, 2022, in Beijing. The number of new coronavirus cases in an outbreak in China's northeast tripled Sunday and authorities tightened control on access to Shanghai in the east, suspending bus service to the city of 24 million and requiring a virus test for anyone who wants to enter. (Photo by Ng Han Guan/AP Photo)





General view as fireworks are seen over the National Stadium during the Beijing 2022 Winter Paralympic Games closing ceremony at the National Stadium, Beijing, China, March 13, 2022. (Photo by Aly Song/Reuters)





Participants hold plaques with the names of participating countries during the closing ceremony at the 2022 Winter Paralympics, Sunday, March 13, 2022, in Beijing. (Photo by Shuji Kajiyama/AP Photo)