A medical worker collects swab samples for COVID-19 screening in Dongchang District of Tonghua, northeast China's Jilin Province, Jan. 20, 2021. Tonghua on Wednesday launched the second round of citywide nucleic acid testing. A total of 570 testing sites were set across the city. (Xinhua/Xu Chang)
A medical worker arranges test tubes at a nucleic acid testing site in Dongchang District of Tonghua, northeast China's Jilin Province, Jan. 20, 2021. Tonghua on Wednesday launched the second round of citywide nucleic acid testing. A total of 570 testing sites were set across the city. (Xinhua/Xu Chang)
A medical worker collects swab samples for COVID-19 screening in Dongchang District of Tonghua, northeast China's Jilin Province, Jan. 20, 2021. Tonghua on Wednesday launched the second round of citywide nucleic acid testing. A total of 570 testing sites were set across the city. (Xinhua/Xu Chang)
A child receives nucleic acid test in Dongchang District of Tonghua, northeast China's Jilin Province, Jan. 20, 2021. Tonghua on Wednesday launched the second round of citywide nucleic acid testing. A total of 570 testing sites were set across the city. (Xinhua/Xu Chang)
