A multi-family cluster of COVID-19 associated with asymptomatic and pre-symptomatic transmission in Jixi City, Heilongjiang, China, 2020

被引：10

作者：

Zhang, Hongyang ^{[2
]}

Hong, Chengcheng ^{[1
,5
]}

Zheng, Qulu ^{[3
]}

Zhou, Pengzheng ^{[5
]}

Zhu, Yuliang ^{[2
]}

Zhang, Zhongkai ^{[4
]}

Bi, Qifang ^{[3
]}

Ma, Ting ^{[1
,5
]}

机构：

[1] Harbin Inst Technol Shenzhen, Shenzhen, Guangdong, Peoples R China

[2] Heilongjiang Prov Ctr Dis Control & Prevent, Harbin, Peoples R China

[3] Johns Hopkins Bloomberg Sch Publ Hlth, Baltimore, MD 21205 USA

[4] Jixi City Ctr Dis Control & Prevent, Jixi, Peoples R China

[5] Peng Cheng Lab, Shenzhen, Peoples R China

来源：

EMERGING MICROBES & INFECTIONS | 2020年 / 9卷 / 01期

关键词：

Asymptomatic transmission; pre-symptomatic transmission; COVID-19; cluster; household close contact; contact tracing;

D O I：

10.1080/22221751.2020.1837015

中图分类号：

R392 [医学免疫学]; Q939.91 [免疫学];

学科分类号：

100102 ;

摘要：

We investigated a multi-family cluster of 22 cases in Jixi, where pre-symptomatic and asymptomatic transmission resulted in at least 41% of household infections of SARS-CoV-2. Our study illustrates the challenge of controlling COVID-19 due to the presence of asymptomatic and pre-symptomatic transmission even when extensive testing and contact tracing are conducted.

引用

页码：2509 / 2514

页数：6

共 27 条

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