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Emerging Infect. Dis. · Aug 2020
Secondary Transmission of Coronavirus Disease from Presymptomatic Persons, China.
- Weiwei Zhang, Weibin Cheng, Lei Luo, Yu Ma, Conghui Xu, Pengzhe Qin, and Zhoubin Zhang.
- Emerging Infect. Dis. 2020 Aug 1; 26 (8): 1924-1926.
AbstractWe explored the secondary attack rate in different types of contact with persons presymptomatic for coronavirus disease (COVID-19). Close contacts who lived with or had frequent contact with an index case-patient had a higher risk for COVID-19. Our findings provide population-based evidence for transmission from persons with presymptomatic COVID-19 infections.
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