A medical worker registers information for a resident to conduct nucleic acid test at a community of Jiutai District in Changchun, northeast China's Jilin Province, March 18, 2022. A new round of nucleic acid testing started in Jiutai District of Changchun on Friday. (Xinhua/Zhang Boyu)
Medical workers and volunteers prepare to conduct nucleic acid tests for residents at a community of Jiutai District in Changchun, northeast China's Jilin Province, March 18, 2022. A new round of nucleic acid testing started in Jiutai District of Changchun on Friday. (Xinhua/Zhang Boyu)
A medical worker takes a swab sample from a resident for nucleic acid test at a community of Jiutai District in Changchun, northeast China's Jilin Province, March 18, 2022. A new round of nucleic acid testing started in Jiutai District of Changchun on Friday. (Xinhua/Zhang Boyu)
