China's Tianjin starts citywide COVID-19 testing (6)

A medical worker takes a swab sample from a citizen for nucleic acid test at a testing site in Binhai New Area in north China's Tianjin, Jan. 9, 2022. North China's Tianjin, a municipality that neighbors Beijing, has decided to start a citywide nucleic acid testing after 20 people tested positive for COVID-19, authorities said Sunday. The infections were reported from 6 p.m. Friday to 9 p.m. Saturday in Jinnan District, and the gene sequencing found the first two locally transmitted confirmed cases were infected with the VOC/Omicron variant, according to the municipal headquarters for COVID-19 prevention and control. (Xinhua/Zhao Zishuo)