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.
Keywords: 2019 novel coronavirus disease; COVID-19; China; SARS-CoV-2; Zhejiang; asymptomatic; cluster; coronavirus; respiratory infections; severe acute respiratory syndrome coronavirus 2; viruses.