From 0: 00 to 24: 00 on January 22, 2021, there were 56 confirmed cases of COVID-19 pneumonia in Heilongjiang Province (40 cases in Wangkui County, Suihua City, among which 20 cases of asymptomatic infection in Wangkui County were confirmed. There were 7 cases in Limin Development Zone of Harbin, among which 2 cases of asymptomatic infection were confirmed. 6 …

From 0: 00 to 24: 00 on December 13, 2020, there were 2 new confirmed cases of pneumonia in COVID-19 (2 cases in suifenhe city) in Heilongjiang Province, and no new asymptomatic infection occurred. By 24: 00 on December 13, 2020, there were 9 confirmed cases (2 cases in Dongning, 6 cases in suifenhe city and 1 case imported from …