PubMed:32091386 / 41-51 JSONTXT

Potential Presymptomatic Transmission of SARS-CoV-2, Zhejiang Province, China, 2020. We report a 2-family cluster of persons infected with severe acute respiratory syndrome coronavirus 2 in the city of Zhoushan, Zhejiang Province, China, during January 2020. The infections resulted from contact with an infected but potentially presymptomatic traveler from the city of Wuhan in Hubei Province.

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