People line up to be tested for the Covid-19 coronavirus in Beijing on January 22, 2021, part of a drive to test two million people in 48 hours as the city rushes to snuff out a new local cluster of cases believed to be linked to a more contagious virus variant. (Photo by Greg Baker/AFP Photo)





Two women dance at a park on a snowy day in Beijing on January 25, 2021. (Photo by Wang Zhao/AFP Photo)





Residents wearing masks to curb the spread of the coronavirus stand near the Chinese character for “Market” in Wuhan, China, Tuesday, January 26, 2021. The central Chinese city of Wuhan, where the coronavirus was first detected has largely returned to normal but is on heightened alert against a resurgence as China battles outbreaks elsewhere in the country. (Photo by Ng Han Guan/AP Photo)





Residents attend an exhibition on the city's fight against the coronavirus in Wuhan in central China's Hubei province, Saturday, January 23, 2021. A year after it was locked down to contain the spread of coronavirus, the central Chinese city of Wuhan has largely returned to normal, even as China continues to battle outbreaks elsewhere in the country. (Photo by Ng Han Guan/AP Photo)





A woman wearing a face mask and a disposable glove to help curb the spread of the coronavirus plays table tennis at a public park during the lunch break in Beijing, Tuesday, January 26, 2021. Countries must cooperate more closely in fighting the challenges of the pandemic and climate change and in supporting a sustainable global economic recovery, Chinese President Xi Jinping said on Monday in an address to the World Economic Forum. (Photo by Andy Wong/AP Photo)





Government workers wearing personal protective equipment stand guard at the closed area in Jordan district, in Hong Kong, Sunday, January 24, 2021. Thousands of Hong Kong residents were locked down Saturday in an unprecedented move to contain a worsening outbreak in the city, authorities said. (Photo by Vincent Yu/AP Photo)





Residents carry bags of grocery inside a locked down portion of the Jordan residential area to contain a new outbreak of the coronavirus disease (COVID-19), in Hong Kong, China on January 23, 2021. (Photo by Tyrone Siu/Reuters)





Health workers are seen in protective gear inside a locked down portion of the Jordan residential area to contain a new outbreak of the coronavirus disease (COVID-19), in Hong Kong, China on January 23, 2021. (Photo by Tyrone Siu/Reuters)





A health worker passes a package of gloves to a staff inside a locked down portion of the Jordan residential area to contain a new outbreak of the coronavirus disease (COVID-19), in Hong Kong, China on January 23, 2021. (Photo by Tyrone Siu/Reuters)





A resident talks to health workers inside a locked down portion of the Jordan residential area to contain a new outbreak of the coronavirus disease (COVID-19), in Hong Kong, China on January 23, 2021. (Photo by Tyrone Siu/Reuters)





Residents queue up for mandatory coronavirus disease (COVID-19) testing inside a locked down portion of the Jordan residential area to contain a new outbreak of the coronavirus disease (COVID-19), in Hong Kong, China on January 23, 2021. (Photo by Tyrone Siu/Reuters)





Residents queue up for mandatory coronavirus disease (COVID-19) testing at a makeshift community testing centre at Jordan residential area, in Hong Kong, China on January 22, 2021. (Photo by Tyrone Siu/Reuters)





A medical worker in a protective suit is seen inside one of the buildings at a residential area at Jordan where tens of thousands of its residents will be placed in a lockdown to contain a new outbreak of the coronavirus disease (COVID-19), in Hong Kong, China on January 22, 2021. (Photo by Tyrone Siu/Reuters)





Residents wear face masks as they walk at a wet market at Jordan residential area, where tens of thousands of its residents will be placed in a lockdown to contain a new outbreak of the coronavirus disease (COVID-19), in Hong Kong, China on January 22, 2021. (Photo by Tyrone Siu/Reuters)





In this photo released by Xinhua News Agency, a worker wearing a protective suit sprays disinfectant the goods at a logistic distribution center in Shijiazhuang in north China's Hebei province on Saturday, January 23, 2021. A Chinese city has brought 2,600 temporary treatment rooms online as the country's north battles new clusters of coronavirus. (Photo by Mu Yu/Xinhua via AP Photo)





A man (not in picture) pulls a child sitting in a box on a frozen river in Beijing on January 22, 2021. (Photo by Wang Zhao/AFP Photo)





In this photo released by Xinhua News Agency, rescuers carry a miner who was trapped in a gold mine in Qixia City in east China's Shandong Province, Sunday, January 24, 2021. Rescuers in China on Sunday lifted several trapped miners to the surface who were trapped for two weeks after an explosion in a northern gold mine, state media reported. (Photo by Luan Qincheng/Xinhua via AP Photo)





In this picture taken on January 21, 2021, people visit a nightclub in Wuhan, China's central Hubei province. (Photo by Hector Retamal/AFP Photo)





In this picture taken on January 21, 2021, people visit a nightclub in Wuhan, China's central Hubei province. (Photo by Hector Retamal/AFP Photo)





In this picture taken on January 21, 2021, people visit a nightclub in Wuhan, China's central Hubei province. (Photo by Hector Retamal/AFP Photo)