China's Harbin launches citywide nucleic acid testing

A resident receives a nucleic acid test at a testing point in Harbin, northeast China's Heilongjiang Province, Sept. 22, 2021.

A medical worker collects swab sample from a resident for nucleic acid testing in Harbin, northeast China's Heilongjiang Province, Sept. 22, 2021. 

Medical workers prepare to work at a COVID-19 testing site in Harbin, northeast China's Heilongjiang Province, Sept. 22, 2021.

Fishes harvested in Chun'an, China's Zhejiang Pigeon pair panda cubs born in China's Chongqing