A staff member distributes nucleic acid testing proof to a resident at a community in Hohhot, north China's Inner Mongolia Autonomous Region, Feb. 24, 2022. Hohhot launched its sixth round of COVID-19 nucleic acid testing on Thursday. (Xinhua/Liu Lei)
A staff member registers information for a resident to take nucleic acid tests at a community in Hohhot, north China's Inner Mongolia Autonomous Region, Feb. 24, 2022. Hohhot launched its sixth round of COVID-19 nucleic acid testing on Thursday. (Xinhua/Liu Lei)
Residents line up to receive nucleic acid tests at a community in Hohhot, north China's Inner Mongolia Autonomous Region, Feb. 24, 2022. Hohhot launched its sixth round of COVID-19 nucleic acid testing on Thursday. (Xinhua/Liu Lei)
A medical staff collects a swab sample for nucleic acid testing at a community in Hohhot, north China's Inner Mongolia Autonomous Region, Feb. 24, 2022. Hohhot launched its sixth round of COVID-19 nucleic acid testing on Thursday. (Xinhua/Liu Lei)
Residents receive nucleic acid tests at a community in Hohhot, north China's Inner Mongolia Autonomous Region, Feb. 24, 2022. Hohhot launched its sixth round of COVID-19 nucleic acid testing on Thursday. (Xinhua/Liu Lei)
