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Emerg Microbes Infect · Dec 2020
LetterA multi-family cluster of COVID-19 associated with asymptomatic and pre-symptomatic transmission in Jixi City, Heilongjiang, China, 2020.
- Hongyang Zhang, Chengcheng Hong, Qulu Zheng, Pengzheng Zhou, Yuliang Zhu, Zhongkai Zhang, Qifang Bi, and Ting Ma.
- Heilongjiang Provincial Center for Disease Control and Prevention, Harbin, People's Republic of China.
- Emerg Microbes Infect. 2020 Dec 1; 9 (1): 2509-2514.
AbstractWe 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.
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