Aerial photo taken on Oct. 27, 2021 shows residents waiting in line for nucleic acid testing at a sampling site in Yinchuan, northwest China's Ningxia Hui Autonomous Region. Yinchuan launched a second round of all-inclusive nucleic acid testing on Wednesday since new confirmed COVID-19 cases were reported. (Xinhua/Feng Kaihua)
Yinchuan launches second round of nucleic acid testing
Source: Xinhua| 2021-10-28 11:14:16|Editor: huaxia