A staff member prepares antigen test kits at a pharmacy amid the Covid-19 pandemic in Hangzhou, in China's eastern Zhejiang province.
Workers produce antigen test kits for the Covid-19 coronavirus at a factory in Nantong, in China's eastern Jiangsu province.
A man buys antigen test kits at a pharmacy amid the Covid-19 pandemic in Hangzhou, in China's eastern Zhejiang province.
ADVERTISEMENT