China's Harbin launches citywide nucleic acid testing (8)

A staff member checks the ID of a resident at a nucleic acid testing site in Harbin, northeast China's Heilongjiang Province, Sept. 22, 2021. Harbin, with a population of more than 10 million, launched citywide nucleic acid testing on Tuesday afternoon and plans to complete the campaign by the end of Thursday, the headquarters said. (Xinhua/Wang Jianwei)