A medical worker takes a swab sample from a citizen for nucleic acid testing in Bengshan District of Bengbu City, east China's Anhui Province, July 16, 2022.Photo:Xinhua
A medical worker takes a swab sample from a citizen for nucleic acid testing in Bengshan District of Bengbu City, east China's Anhui Province, July 16, 2022.Photo:Xinhua
A medical worker takes a swab sample from a citizen for nucleic acid testing in Bengshan District of Bengbu City, east China's Anhui Province, July 16, 2022.Photo:Xinhua
A medical worker takes a swab sample from a citizen for nucleic acid testing in Bengshan District of Bengbu City, east China's Anhui Province, July 16, 2022.Photo:Xinhua
Aerial photo taken on July 16, 2022 shows citizens standing in lines to take nucleic acid tests in Bengshan District of Bengbu City, east China's Anhui Province.Photo:Xinhua