A resident receives a nucleic acid test at a testing point 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, according to the city's COVID-19 prevention and control headquarters. (Xinhua/Wang Song)
A resident receives a nucleic acid test at a testing point 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, according to the city's COVID-19 prevention and control headquarters. (Xinhua/Wang Song)
A medical worker collects swab sample from a resident for nucleic acid testing 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, according to the city's COVID-19 prevention and control headquarters. (Xinhua/Wang Song)
Medical workers prepare to work at a COVID-19 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, according to the city's COVID-19 prevention and control headquarters. (Xinhua/Wang Song)
A resident receives a nucleic acid test at a testing point 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, according to the city's COVID-19 prevention and control headquarters. (Xinhua/Wang Song)
A resident receives a nucleic acid test at a testing point 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, according to the city's COVID-19 prevention and control headquarters. (Xinhua/Wang Song)
A community worker (C) registers information of residents 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, according to the city's COVID-19 prevention and control headquarters. (Xinhua/Wang Song)
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)
A medical worker collects swab sample from a woman for nucleic acid testing 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)
A medical worker collects swab sample from a man for nucleic acid testing 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)
A volunteer reminds residents to queue up for nucleic acid testing 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)
Residents queue up for nucleic acid testing 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)
A medical worker collects swab sample from a teenager for nucleic acid testing 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)
A medical worker collects swab sample from a girl for nucleic acid testing 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)
