Aerial photo taken on Sept. 5, 2022 shows a community testing site for COVID-19 in Wudang District of Guiyang, southwest China's Guizhou Province. (Xinhua/Yang Ying)
A medical worker takes a swab sample from a resident for nucleic acid test at a community testing site for COVID-19 in Yunyan District of Guiyang, southwest China's Guizhou Province, Sept. 5, 2022. (Xinhua/Yang Wenbin)
