A volunteer guides people to take COVID-19 nucleic acid tests in Nanjing, east China's Jiangsu Province, Aug. 5, 2021. Nanjing launched a fifth round of nucleic acid testing in some areas of the city on Thursday.Photo:Xinhua
Residents wait to take COVID-19 nucleic acid tests in Nanjing, east China's Jiangsu Province, Aug. 5, 2021. Nanjing launched a fifth round of nucleic acid testing in some areas of the city on Thursday.Photo:Xinhua
A volunteer guides people to take COVID-19 nucleic acid tests in Nanjing, east China's Jiangsu Province, Aug. 5, 2021. Nanjing launched a fifth round of nucleic acid testing in some areas of the city on Thursday.Photo:Xinhua
A medical worker takes a swab sample from a woman for COVID-19 nucleic acid test in Nanjing, east China's Jiangsu Province, Aug. 5, 2021. Nanjing launched a fifth round of nucleic acid testing in some areas of the city on Thursday.Photo:Xinhua
A medical worker takes a swab sample from a woman for COVID-19 nucleic acid test in Nanjing, east China's Jiangsu Province, Aug. 5, 2021. Nanjing launched a fifth round of nucleic acid testing in some areas of the city on Thursday.Photo:Xinhua
