In this photo released by Xinhua News Agency, a villager carrying baggage is disinfected as she returns home after being quarantined due to local COVID cases found in Lianqin Village of Beicai Town in Pudong New Area, Shanghai on Tuesday, April 26, 2022. Shanghai city authorities said Wednesday they will start rounds of COVID-19 testing over the next few days to determine which neighborhoods can safely be allowed a limited amount of freedom of movement, as residents in Beijing watch carefully on word for whether the capital city will lock down. (Photo by Jin Liwang/Xinhua via AP Photo)





A hostess wearing a face mask waits for customers at the entrance of a restaurant in Beijing, Wednesday, April 27, 2022. China's capital city Beijing is in the middle of mass testing millions of residents after cases were discovered over the weekend. The city reported over 30 new cases Wednesday, several of which were asymptomatic. (Photo by Mark Schiefelbein/AP Photo)





Security guards patrol along a barricaded road heading to locked-down communities on Wednesday, April 27, 2022, in Beijing. Workers put up fencing and police restricted who could leave a locked-down area in Beijing on Tuesday as authorities in the Chinese capital stepped up efforts to prevent a major COVID-19 outbreak like the one that has all but shut down the city of Shanghai. (Photo by Andy Wong/AP Photo)





People in quarantine exercise in front of their homes amid Covid-19 full lockdown of the city in Shanghai, China, 27 April 2022. According to the Shanghai Health Commission on 27 April, there were 48 new Covid-19 deaths, 1,606 locally transmitted cases, and 11,956 local asymptomatic infections, in Shanghai city. Despite the death toll rising in Shanghai, the number of daily infections has gradually declined. (Photo by Alex Plavevski/EPA/EFE)





A woman in quarantine sits on her roof balcony, amid Covid-19 full lockdown of the city in Shanghai, China, 27 April 2022. (Photo by Alex Plavevski/EPA/EFE)





Residents with umbrellas line up in the rain for COVID testing at a commercial office complex on Wednesday, April 27, 2022, in Beijing. (Photo by Andy Wong/AP Photo)





A man wearing a face mask to help protect from the coronavirus walks along a quiet Qianmen shopping street on Thursday, April 28, 2022, in Beijing. Beijing is closing all city schools in a further tightening of COVID-19 restrictions, as China's capital seeks to prevent a wider outbreak. (Photo by Andy Wong/AP Photo)





People line up for nucleic acid testing at a temporary Covid-19 testing site in Guangzhou, Guangdong province of China on April 28, 2022. According to official news, a new round of nucleic acid testing will be carried out in all districts of Guangzhou. (Photo by Stringer/Anadolu Agency via Getty Images)





A resident feeds stray cats during lockdown, amid the coronavirus disease (COVID-19) pandemic, in Shanghai, China, April 28, 2022. (Photo by Aly Song/Reuters)





A health worker takes a swab sample from a woman at a Covid-19 coronavirus testing site outside office buildings in Beijing on April 29, 2022. (Photo by Jade Gao/AFP Photo)





Aerial view of tourists playing in a flower maze at an agricultural science and technology park of Anlong County on April 29, 2022 in Qianxinan Buyei and Miao Autonomous Prefecture, Guizhou Province of China. (Photo by Liu Chaofu/VCG via Getty Images)





A woman wearing a face mask flies a kite at a public park in Beijing, Saturday, April 30, 2022, the first day of the Labor Day holiday period in China. (Photo by Mark Schiefelbein/AP Photo)





A woman and child enjoy their day at a park on Sunday, May 1, 2022, in Beijing. Many Chinese are marking a quiet May Day holiday this year as the government's zero-COVID approach restricts travel and enforces lockdowns in multiple cities. (Photo by Ng Han Guan/AP Photo)





Security personnel march at the entrance of the Forbidden City in Beijing on May 1, 2022. (Photo by Noel Celis/AFP Photo)





A child wearing a mask lines up for COVID test on Sunday, May 1, 2022, in Beijing. (Photo by Ng Han Guan/AP Photo)





In this photo released by Xinhua News Agency, rescuers evacuate a woman pulled alive from a collapsed building in Changsha, central China's Hunan Province, May 1, 2022. The woman was rescued Sunday from the rubble of a building in central China more than 50 hours after it collapsed, leaving dozens trapped or missing, state media said. (Photo by Shen Hong/Xinhua via AP Photo)





A worker in a protective suit sprays disinfectant as residents wearing face masks line up for mass coronavirus testing outside a residential complex, Tuesday, May 3, 2022, in Beijing. (Photo by Andy Wong/AP Photo)





A man and woman wearing masks pass through a mall area on Monday, May 2, 2022, in Beijing. Many Chinese marked a quiet May Day this year as the government's “zero-COVID” approach restricts travel and enforces lockdowns in multiple cities. (Photo by Ng Han Guan/AP Photo)





A resident looks outside through a barrier of a residential area during lockdown, amid the coronavirus disease (COVID-19) pandemic, in Shanghai, China, May 3, 2022. (Photo by Aly Song/Reuters)





Crew members line up to get tested for the coronavirus disease (COVID-19) at a mobile nucleic acid testing vehicle inside Hengdian World Studios in Hengdian, Zhejiang province, China on May 3, 2022. (Photo by China Daily via Reuters)