A staff member takes a swab sample from a resident for nucleic acid test at a testing site in Xiangfang District of Harbin, northeast China's Heilongjiang Province, Oct. 30, 2021. A citywide nucleic acid test has been launched after one locally transmitted confirmed COVID-19 case was reported in Xiangfang District of Harbin on Saturday. (Xinhua/Wang Jianwei)
A staff member disinfects facilities at a testing site in Harbin, northeast China's Heilongjiang Province, Oct. 30, 2021. A citywide nucleic acid test has been launched after one locally transmitted confirmed COVID-19 case was reported in Xiangfang District of Harbin on Saturday. (Xinhua/Wang Jianwei)
A staff member takes a swab sample from a child for nucleic acid test at a testing site in Harbin, northeast China's Heilongjiang Province, Oct. 30, 2021. A citywide nucleic acid test has been launched after one locally transmitted confirmed COVID-19 case was reported in Xiangfang District of Harbin on Saturday. (Xinhua/Wang Jianwei)
Aerial photo taken on Oct. 31, 2021 shows residents lining up for nucleic acid test at a testing point in Harbin, northeast China's Heilongjiang Province. A citywide nucleic acid test has been launched after one locally transmitted confirmed COVID-19 case was reported in Xiangfang District of Harbin on Saturday. (Xinhua/Zhang Tao)
Residents line up for nucleic acid test at a testing site in Xiangfang District of Harbin, northeast China's Heilongjiang Province, Oct. 30, 2021. A citywide nucleic acid test has been launched after one locally transmitted confirmed COVID-19 case was reported in Xiangfang District of Harbin on Saturday. (Xinhua/Wang Jianwei)
Photo taken on Oct. 30, 2021 shows a nucleic acid testing site in Harbin, northeast China's Heilongjiang Province. A citywide nucleic acid test has been launched after one locally transmitted confirmed COVID-19 case was reported in Xiangfang District of Harbin on Saturday. (Xinhua/Zhang Tao)
A staff member takes a swab sample from a resident for nucleic acid test at a testing site in Harbin, northeast China's Heilongjiang Province, Oct. 30, 2021. A citywide nucleic acid test has been launched after one locally transmitted confirmed COVID-19 case was reported in Xiangfang District of Harbin on Saturday. (Xinhua/Zhang Tao)
A staff member takes a swab sample from a resident for nucleic acid test at a testing site in Harbin, northeast China's Heilongjiang Province, Oct. 30, 2021. A citywide nucleic acid test has been launched after one locally transmitted confirmed COVID-19 case was reported in Xiangfang District of Harbin on Saturday. (Xinhua/Zhang Tao)
A staff member disinfects hands at a testing site in Harbin, northeast China's Heilongjiang Province, Oct. 30, 2021. A citywide nucleic acid test has been launched after one locally transmitted confirmed COVID-19 case was reported in Xiangfang District of Harbin on Saturday. (Xinhua/Zhang Tao)
A staff member takes a swab sample from a resident for nucleic acid test at a testing site in Harbin, northeast China's Heilongjiang Province, Oct. 30, 2021. A citywide nucleic acid test has been launched after one locally transmitted confirmed COVID-19 case was reported in Xiangfang District of Harbin on Saturday. (Xinhua/Zhang Tao)
