Changchun rolls out new round of mass nucleic acid test
Xinhua, March 21, 2022 Adjust font size:
A medical worker takes a swab sample from a man for a nucleic acid test at a testing site in Changchun, northeast China's Jilin Province, March 20, 2022. Changchun rolled out a new round of mass nucleic acid test as a measure to combat the latest COVID-19 resurgence on Saturday. (Xinhua/Zhang Jian)