Volunteers disinfect a temporary Covid-19 testing site in Hohhot, Inner Mongolia, in late February 23. The region has been struck by a number of outbreaks this year. Photo: Costfoto/Future Publishing via Getty Images
Volunteers disinfect a temporary Covid-19 testing site in Hohhot, Inner Mongolia, in late February 23. The region has been struck by a number of outbreaks this year. Photo: Costfoto/Future Publishing via Getty Images