COVID-19 Transmission Within a Family Cluster by Presymptomatic Carriers in China.

Qian, Guoqing; Yang, Naibin; Ma, Ada Hoi Yan; Wang, Liping; Li, Guoxiang; Chen, Xueqin; Chen, Xiaomin · Clin Infect Dis · 2020

case_series · Level IV

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Abstract

We report a family cluster of coronavirus disease 2019 (COVID-19) caused by a presymptomatic case. There were 9 family members, including 8 laboratory-confirmed with COVID-19, and a 6-year-old child had no evidence of infection. Among the 8 patients, 1 adult and a 13-month-old infant were asymptomatic, and 1 adult was diagnosed as having severe pneumonia.

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