XI’AN, CHINA – DECEMBER 26: Staff members in protective suits disinfect around Xi’an Bell Tower on December 26, 2021 in Xi’an, Shaanxi Province of China. Xi’an conducted a citywide disinfection since Sunday night to prevent the COVID-19 spread. (Photo by Shang Hongtao/VCG via Getty Images)
A resident undergoes a nucleic acid test for the Covid-19 coronavirus at a residental area that is under restrictions following a recent coronavirus outbreak in Xian, in China’s northern Shaanxi province on December 23, 2021. – China OUT (Photo by AFP) / China OUT (Photo by STR/AFP via Getty Images)