中国上海新冠病毒传播的流行病学调查精度。
The precision of epidemiological investigation of COVID-19 transmission in Shanghai, China.
机构信息
Fudan University School of Public Health, Building 8, 130 Dong'an Road, Shanghai, 200032, China.
Key Laboratory of Public Health Safety, Fudan University, Ministry of Education, Building 8, 130 Dong'an Road, Shanghai, 200032, China.
出版信息
Infect Dis Poverty. 2021 May 5;10(1):58. doi: 10.1186/s40249-021-00849-w.
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.
背景
上海于 1 月 21 日至 24 日发生了一起本地新冠肺炎疫情。及时采取了精准的防控策略，防止疫情进一步蔓延。我们对上海的疫情防控经验进行了讨论和分享。
过程
前两例患者在两家医院工作，但两家医院均无医务人员感染。疑似病例及其两名密切接触者在 12 小时内被确诊感染。对个人的检测率较低。筛查范围最小化至两个相关区，密切接触者追踪在 12 小时内完成，精准且具有成本效益。
结论
积极监测、精准流调溯源和及时核酸检测有助于发现新发病例，缩小筛查范围，阻断传播。
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