Residents wait in line for nucleic acid test at a COVID-19 testing site in Daxing District of Beijing, capital of China, Jan. 20, 2021. Daxing District of the national capital Beijing started a mass nucleic acid testing in an effort to contain the latest COVID-19 resurgence. (Xinhua/Peng Ziyang)
A medical worker disinfects public area at a COVID-19 testing site in Daxing District of Beijing, capital of China, Jan. 20, 2021. Daxing District of the national capital Beijing started a mass nucleic acid testing in an effort to contain the latest COVID-19 resurgence. (Xinhua/Peng Ziyang)
Residents wait in line for nucleic acid test at a COVID-19 testing site in Daxing District of Beijing, capital of China, Jan. 20, 2021. Daxing District of the national capital Beijing started a mass nucleic acid testing in an effort to contain the latest COVID-19 resurgence. (Xinhua/Peng Ziyang)
Residents wait in line for nucleic acid test at a COVID-19 testing site in Daxing District of Beijing, capital of China, Jan. 20, 2021. Daxing District of the national capital Beijing started a mass nucleic acid testing in an effort to contain the latest COVID-19 resurgence. (Xinhua/Peng Ziyang)
Residents wait in line for nucleic acid test at a COVID-19 testing site in Daxing District of Beijing, capital of China, Jan. 20, 2021. Daxing District of the national capital Beijing started a mass nucleic acid testing in an effort to contain the latest COVID-19 resurgence. (Xinhua/Peng Ziyang)
A medical worker collects a swab sample from an old woman in Daxing District of Beijing, capital of China, Jan. 20, 2021. Daxing District of the national capital Beijing started a mass nucleic acid testing in an effort to contain the latest COVID-19 resurgence. (Xinhua/Peng Ziyang)
