A medical worker takes a swab sample from a resident at a COVID-19 testing site in Haidian district in Beijing, capital of China, Jan 24, 2022. [Photo/Xinhua]
Photo taken on Jan 24, 2022 shows a COVID-19 testing site in Haidian district in Beijing, capital of China. [Photo/Xinhua]
A medical worker takes a swab sample from a resident at a COVID-19 testing site in Haidian district in Beijing, capital of China, Jan 24, 2022. [Photo/Xinhua]
A community worker registers information for a resident waiting for nucleic acid test at a COVID-19 testing site in Haidian district in Beijing, capital of China, Jan 24, 2022. [Photo/Xinhua]
