A staff member disinfects a resident's hands at a residential area in Bayan County, Harbin of northeast China's Heilongjiang Province, Sept. 27, 2021. The province on Sunday reported 11 new locally transmitted confirmed COVID-19 cases and three new local asymptomatic carriers. (Xinhua/Wang Jianwei)
A supermarket employee delivers daily necessities to residents under close-off management in Bayan County, Harbin of northeast China's Heilongjiang Province, Sept. 27, 2021. The province on Sunday reported 11 new locally transmitted confirmed COVID-19 cases and three new local asymptomatic carriers. (Xinhua/Xie Jianfei)
A staff member works in a nucleic acid testing lab in Bayan County, Harbin of northeast China's Heilongjiang Province, Sept. 27, 2021. The province on Sunday reported 11 new locally transmitted confirmed COVID-19 cases and three new local asymptomatic carriers. (Xinhua/Xie Jianfei)
Photo taken on Sept. 27, 2021 shows nucleic acid testing labs in Bayan County, Harbin of northeast China's Heilongjiang Province. The province on Sunday reported 11 new locally transmitted confirmed COVID-19 cases and three new local asymptomatic carriers. (Xinhua/Xie Jianfei)
Staff members work in a nucleic acid testing lab in Bayan County, Harbin of northeast China's Heilongjiang Province, Sept. 27, 2021. The province on Sunday reported 11 new locally transmitted confirmed COVID-19 cases and three new local asymptomatic carriers. (Xinhua/Xie Jianfei)
Photo taken on Sept. 27, 2021 shows nucleic acid testing labs in Bayan County, Harbin of northeast China's Heilongjiang Province. The province on Sunday reported 11 new locally transmitted confirmed COVID-19 cases and three new local asymptomatic carriers. (Xinhua/Xie Jianfei)
A staff member prepares reagent for nucleic acid testing at a PCR (polymerase chain reaction) lab in Bayan County, Harbin of northeast China's Heilongjiang Province, Sept. 27, 2021. The province on Sunday reported 11 new locally transmitted confirmed COVID-19 cases and three new local asymptomatic carriers. (Xinhua/Wang Jianwei)
A staff member transfers swab samples to a PCR (polymerase chain reaction) lab in Bayan County, Harbin of northeast China's Heilongjiang Province, Sept. 27, 2021. The province on Sunday reported 11 new locally transmitted confirmed COVID-19 cases and three new local asymptomatic carriers. (Xinhua/Wang Jianwei)
Supermarket employees deliver daily necessities to residents under close-off management in Bayan County, Harbin of northeast China's Heilongjiang Province, Sept. 27, 2021. The province on Sunday reported 11 new locally transmitted confirmed COVID-19 cases and three new local asymptomatic carriers. (Xinhua/Wang Jianwei)
