
A medical worker takes a swab sample from a resident for nucleic acid testing in Daxing District, Beijing, capital of China, April 30, 2022.
Many districts of Beijing on Saturday launched the third round of nucleic acid testing amid efforts to contain the recent resurgence of COVID-19 cases in the city. (Xinhua/Peng Ziyang)

A medical worker takes a swab sample from a resident for nucleic acid testing in Daxing District, Beijing, capital of China, April 30, 2022.
Many districts of Beijing on Saturday launched the third round of nucleic acid testing amid efforts to contain the recent resurgence of COVID-19 cases in the city. (Xinhua/Peng Ziyang)

People line up to take nucleic acid tests in Daxing District, Beijing, capital of China, April 30, 2022.
Many districts of Beijing on Saturday launched the third round of nucleic acid testing amid efforts to contain the recent resurgence of COVID-19 cases in the city. (Xinhua/Peng Ziyang)

A medical worker takes a swab sample from a resident for nucleic acid testing in Daxing District, Beijing, capital of China, April 30, 2022.
Many districts of Beijing on Saturday launched the third round of nucleic acid testing amid efforts to contain the recent resurgence of COVID-19 cases in the city. (Xinhua/Peng Ziyang)

A medical worker takes a swab sample from a resident for nucleic acid testing in Daxing District, Beijing, capital of China, April 30, 2022.
Many districts of Beijing on Saturday launched the third round of nucleic acid testing amid efforts to contain the recent resurgence of COVID-19 cases in the city. (Xinhua/Peng Ziyang)



