Ying Shi1,2,3, Hong-Lin Jiang1,2,3, Mei-Xia Yang4, Lin-Juan Dong5, Yue Chen6, Yi-Biao Zhou7,8,9, Qing-Wu Jiang1,2,3. 1. Fudan University School of Public Health, Building 8, 130 Dong'an Road, Shanghai, 200032, China. 2. Key Laboratory of Public Health Safety, Fudan University, Ministry of Education, Building 8, 130 Dong'an Road, Shanghai, 200032, China. 3. Fudan University Center for Tropical Disease Research, Building 8, 130 Dong'an Road, Shanghai, 200032, China. 4. Xuhui Center for Disease Control and Prevention, Shanghai, China. 5. Community Healthcare Center of Bansongyuan Street, Huangpu District, Shanghai, China. 6. School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada. 7. Fudan University School of Public Health, Building 8, 130 Dong'an Road, Shanghai, 200032, China. z_yibiao@hotmail.com. 8. Key Laboratory of Public Health Safety, Fudan University, Ministry of Education, Building 8, 130 Dong'an Road, Shanghai, 200032, China. z_yibiao@hotmail.com. 9. Fudan University Center for Tropical Disease Research, Building 8, 130 Dong'an Road, Shanghai, 200032, China. z_yibiao@hotmail.com.
Abstract
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.
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.
Entities:
Keywords:
COVID-19; Outbreak; Precision of epidemiological investigation; Shanghai