Medical worker Yan Xu collects swab samples for nucleic acid testing in Chaoyang District of Beijing, capital of China, May 8, 2022. Chaoyang District started further district-wide nucleic acid testing from May 7 to 9 on. (Xinhua/Ju Huanzong)
Volunteer Li Yang (R) registers information for a resident at a nucleic acid testing site in Chaoyang District of Beijing, capital of China, May 8, 2022. Chaoyang District started further district-wide nucleic acid testing from May 7 to 9 on. (Xinhua/Ju Huanzong)
Volunteer Bai Yijiang (L) registers information for a resident at a nucleic acid testing site in Chaoyang District of Beijing, capital of China, May 8, 2022. Chaoyang District started further district-wide nucleic acid testing from May 7 to 9 on. (Xinhua/Ju Huanzong)
