A woman walks on a quiet street usually packed with shoppers in Causeway Bay, a famous shopping district in Hong Kong Thursday, March 10, 2022. Hong Kong's neon lights are still on, but COVID-19 has turned off a lot of the city's usual energy. Instead, now there is an unusual sense of limbo. Busy shopping streets and office districts are very much emptier than ever before. (Photo by Vincent Yu/AP Photo)





A woman stands on an escalator at a quiet shopping mall in Causeway Bay, a famous shopping district in Hong Kong Thursday, March 10, 2022. (Photo by Vincent Yu/AP Photo)





People wearing face masks and shields walk along a street in Hong Kong, Saturday, March 12, 2022. (Photo by Kin Cheung/AP Photo)





A health worker in protective gear rests at the entrance to a residential compound currently under Covid-19 quarantine in Shanghai, China, 14 March 2022. The National Health Commission on 14 March reported over 1,300 new locally transmitted COVID-19 cases. According to the Shanghai Education Commission, all local elementary schools and high schools moved to online teaching while kindergartens and nursery schools have been closed since 11 March. (Photo by Alex Plavevski/EPA/EFE)





A worker collects a delivery for residents under lock down in a community on Monday, March 14, 2022, in Beijing. Chinese authorities reported more than 1,300 locally transmitted cases of COVID-19 across dozens of mainland cities Monday as the fast-spreading variant commonly known as “stealth omicron” fuels China's biggest outbreak in two years. (Photo by Ng Han Guan/AP Photo)





A medical worker takes swab samples from a girl for the Covid-19 screening in Yantai city in eastern China's Shandong province Monday, March 14, 2022. China banned most people from leaving a coronavirus-hit northeastern province and mobilized military reservists Monday as the fast-spreading “stealth omicron” variant fuels the country's biggest outbreak since the start of the pandemic two years ago. (Photo by Chinatopix via AP Photo)





A man walks across an empty road during the fourth day of a city wide lock down in Changchun in northeastern China's Jilin province Monday, March 14, 2022. (Photo by Chinatopix via AP Photo)





A medical worker takes swab sample from a resident for COVID-19 test in Hangzhou in eastern China's Zhejiang province Tuesday, March 15, 2022. China's new COVID-19 cases Tuesday more than doubled from the previous day as it faces by far its biggest outbreak since the early days of the pandemic. (Photo by Chinatopix via AP Photo)





A police officer wearing personal protective equipment (PPE) carries food and daily supplies that will be distributed to residents at a restricted residental area due to the spread of the Covid-19 coronavirus in Manzhouli in China's northern Inner Mongolia region on March 15, 2022. (Photo by AFP Photo/China Stringer Network)





Flight attendants of Zhejiang Loong Airlines undergo rigorous posture training on March 14, 2022 in Hangzhou, Zhejiang Province of China. A total of 300 flight attendants received an etiquette training, including 13 courses for Hangzhou 2022 Asian Games, which will be held from Sept. 10 to 25, 2022 in Hangzhou. (Photo by Wang Gang/China News Service via Getty Images)





A woman waits for a COVID-19 test near a mobile testing site on Tuesday, March 15, 2022, in Beijing. China's new COVID-19 cases Tuesday more than doubled from the previous day as the country faces by far its biggest outbreak since the early days of the pandemic. (Photo by Ng Han Guan/AP Photo)





Skyscraper window cleaners clean the exterior of Guiyang International Trade Center in Guiyang, southwest China's Guizhou Province, March 15, 2022. The 335-meter-high twin skyscrapers of Guiyang International Trade Center recently saw their first exterior wall cleaning this year. The cleaning, carried out by eight workers, is expected to take about 20 days. (Photo by Ou Dongqu/Xinhua/Alamy Live News)





Workers move the bodies of deceased people from a truck into a refrigerated container at the Fu Shan Public Mortuary in Hong Kong on March 16, 2022, amid the city's worst-ever Covid-19 coronavirus outbreak that has seen overflowing hospitals and morgues and a frantic expansion of the city's spartan quarantine camp system. (Photo by Dale de la Rey/AFP Photo)





A delivery person for Chinese online food delivery platform Ele.me displays a rubber duck on her helmet on Wednesday, March 16, 2022, in Beijing. China's government tried Wednesday to reassure jittery investors by promising support for its struggling real estate industry, internet companies and entrepreneurs after regulatory crackdowns caused stock prices to plunge. (Photo by Ng Han Guan/AP Photo)





This photo taken on March 17, 2022 shows a staff member, wearing personal protective equipment (PPE), walking at the Fire Eye laboratory, a temporary Covid-19 coronavirus testing facility, before it opens in Yantai in China's eastern Shandong province. (Photo by AFP Photo/China Stringer Network)





Staff erect fences to block the access to Shek O beach in Hong Kong, China, 17 March 2022. Hong Kong has closed government-managed beaches again in a further tightening of social distancing measures to prevent the spread of the COVID-19 infections, a few days after photos of busy beaches in Hong Kong went viral on Chinese social media. (Photo by Jerome Favre/EPA/EFE)





Residents wearing masks chat at a bus stop on Thursday, March 17, 2022, in Beijing. Even as authorities lock down cities in China's worst outbreak in two years, they are looking for an exit ramp from what has been a successful but onerous COVID-19 prevention strategy. (Photo by Ng Han Guan/AP Photo)





A cleaner works in front of a screen displaying clouds, behind an area for passengers heading to quarantine, in the arrivals hall at the Hong Kong International Airport, during the coronavirus disease (COVID-19) pandemic in Hong Kong, China on March 17, 2022. (Photo by Tyrone Siu/Reuters)





A man lines up for COVID-19 test as it snows on Thursday, March 17, 2022, in Beijing. A fast-spreading variant known as “stealth omicron” is testing China's zero-tolerance strategy, which had kept the virus at bay since the deadly initial outbreak in the city of Wuhan in early 2020. (Photo by Ng Han Guan/AP Photo)





A man wearing face mask walks past some dinosaur models in the Central district in Hong Kong, Friday, March 18, 2022. (Photo by Vincent Yu/AP Photo)





A worker wearing protective gear gestures as people wait to be tested for the Covid-19 coronavirus at a residential compound in Shanghai on March 18, 2022. (Photo by Hector Retamal/AFP Photo)