Aerial photo shows at a nucleic acid testing site in Changsha County of Changsha City, central China's Hunan Province, Oct. 23, 2021. Huanghua Town, Langli subdistrict and Huangxing convention and exhibition zone in Changsha County have launched a second round of all-inclusive nucleic acid testing Saturday after one confirmed COVID-19 case was reported on Oct. 18. Changsha County has completed the first round of all-inclusive nucleic acid testing for COVID-19 as of Friday, with all samples testing negative. (Xinhua/Chen Sihan)
A medical worker collects a swab sample from a boy at a temporary nucleic acid testing site in Changsha County of Changsha City, central China's Hunan Province, Oct. 23, 2021. Huanghua Town, Langli subdistrict and Huangxing convention and exhibition zone in Changsha County have launched a second round of all-inclusive nucleic acid testing Saturday after one confirmed COVID-19 case was reported on Oct. 18. Changsha County has completed the first round of all-inclusive nucleic acid testing for COVID-19 as of Friday, with all samples testing negative. (Xinhua/Chen Sihan)
Aerial photo shows residents queuing up at a nucleic acid testing site in Changsha County of Changsha City, central China's Hunan Province, Oct. 23, 2021. Huanghua Town, Langli subdistrict and Huangxing convention and exhibition zone in Changsha County have launched a second round of all-inclusive nucleic acid testing Saturday after one confirmed COVID-19 case was reported on Oct. 18. Changsha County has completed the first round of all-inclusive nucleic acid testing for COVID-19 as of Friday, with all samples testing negative. (Xinhua/Chen Sihan)
A medical worker collects a swab sample from a resident at a temporary nucleic acid testing site in Changsha County of Changsha City, central China's Hunan Province, Oct. 23, 2021. Huanghua Town, Langli subdistrict and Huangxing convention and exhibition zone in Changsha County have launched a second round of all-inclusive nucleic acid testing Saturday after one confirmed COVID-19 case was reported on Oct. 18. Changsha County has completed the first round of all-inclusive nucleic acid testing for COVID-19 as of Friday, with all samples testing negative. (Xinhua/Chen Sihan)
Aerial photo shows a nucleic acid testing site in Changsha County of Changsha City, central China's Hunan Province, Oct. 23, 2021. Huanghua Town, Langli subdistrict and Huangxing convention and exhibition zone in Changsha County have launched a second round of all-inclusive nucleic acid testing Saturday after one confirmed COVID-19 case was reported on Oct. 18. Changsha County has completed the first round of all-inclusive nucleic acid testing for COVID-19 as of Friday, with all samples testing negative. (Xinhua/Chen Sihan)
A medical worker collects a swab sample from a girl at a temporary nucleic acid testing site in Changsha County of Changsha City, central China's Hunan Province, Oct. 23, 2021. Huanghua Town, Langli subdistrict and Huangxing convention and exhibition zone in Changsha County have launched a second round of all-inclusive nucleic acid testing Saturday after one confirmed COVID-19 case was reported on Oct. 18. Changsha County has completed the first round of all-inclusive nucleic acid testing for COVID-19 as of Friday, with all samples testing negative. (Xinhua/Chen Sihan)
A staff member disinfects a temporary nucleic acid testing site in Changsha County of Changsha City, central China's Hunan Province, Oct. 23, 2021. Huanghua Town, Langli subdistrict and Huangxing convention and exhibition zone in Changsha County have launched a second round of all-inclusive nucleic acid testing Saturday after one confirmed COVID-19 case was reported on Oct. 18. Changsha County has completed the first round of all-inclusive nucleic acid testing for COVID-19 as of Friday, with all samples testing negative. (Xinhua/Chen Sihan)
