Local control of epidemic prevention strengthened in Xining, Qinghai

A medical worker takes a a swab sample from a citizen for nucleic acid testing in Xining, northwest China's Qinghai Province, Oct. 28, 2021. After Xining reported 3 new COVID-19 cases, local control of epidemic prevention has been strengthened. (Xinhua/Zhang Hongxiang)  

People queue up for nucleic acid testing in Xining, northwest China's Qinghai Province, Oct. 28, 2021. After Xining reported 3 new COVID-19 cases, local control of epidemic prevention has been strengthened. (Xinhua/Zhang Hongxiang)

Aerial photo taken on Oct. 28, 2021 shows people queueing up to receive nucleic acid tests in Xining, northwest China's Qinghai Province. After Xining reported 3 new COVID-19 cases, local control of epidemic prevention has been strengthened. (Xinhua/Zhang Hongxiang)

A staff member disinfects the ticket hall of a bus terminal in Xining, northwest China's Qinghai Province, Oct. 28, 2021. After Xining reported 3 new COVID-19 cases, local control of epidemic prevention has been strengthened. (Xinhua/Zhang Hongxiang)

A medical worker takes a a swab sample from a citizen for nucleic acid testing in Xining, northwest China's Qinghai Province, Oct. 28, 2021. After Xining reported 3 new COVID-19 cases, local control of epidemic prevention has been strengthened. (Xinhua/Zhang Hongxiang)