Background Shanghai had a local outbreak of COVID-19 from January 21 to 24. Timely and precise strategies were taken to prevent further spread of the disease. We discussed and shared the experience of COVID-19 containment in Shanghai. Process The first two patients worked at two hospitals but no staff from the two hospitals were infected. The suspected case and his two close contacts were confirmed to be infected within 12 h. The testing rate of individuals was low. The scope of screening was minimized to two related districts and the close contact tracing was completed within 12 h, which were precise and cost-effective. Conclusions Active monitoring, precise epidemiological investigation and timely nucleic acid testing help discover new cases, minimize the scope of screening, and interrupt the transmission. Graphic abstract
【저자키워드】 COVID-19, outbreak, Shanghai, Precision of epidemiological investigation, 【초록키워드】 hospital, Local, Transmission, Spread, nucleic acid, Patient, epidemiological, close contact, Abstract, individual, help, Prevent, were infected, the disease, Process, 【제목키워드】 China, epidemiological, COVID-19 transmission, Precision,