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BMC Infect Dis ; 20(1): 647, 2020 Sep 03.
Article in English | MEDLINE | ID: covidwho-744977


BACKGROUND: The family cluster is one of most important modes of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission throughout China, and more details are needed about how family clusters cause the spread of coronavirus disease 2019 (COVID-19). CASE PRESENTATION: We retrospectively reviewed 7 confirmed cases from one family cluster. Both clinical features and laboratory examination results were described. Patient 1 had been in close contact with someone who was later confirmed to have COVID-19 in Wuhan City before he returned back to his hometown. He had dinner with 6 other members in his family. All the persons developed COVID-19 successively except for one older woman who neither had dinner with them nor shared a sleeping room with her husband. Six patients had mild or moderate COVID-19 but one older man with underlying diseases progressed into the severe type. After general and symptomatic treatments, all the patients recovered. CONCLUSIONS: In a family cluster, having dinner together may be an important mode for the transmission of SARS-CoV-2. In this setting, most cases are mild with a favorable prognosis, while elderly patients with underlying diseases may progress into the severe type. For someone who has close contact with a confirmed case, 14-day isolation is necessary to contain virus transmission.

Betacoronavirus/isolation & purification , Coronavirus Infections/physiopathology , Coronavirus Infections/transmission , Family Health , Pneumonia, Viral/physiopathology , Pneumonia, Viral/transmission , Adolescent , Adult , Aged , Betacoronavirus/pathogenicity , Child , China/epidemiology , Coronavirus Infections/epidemiology , Coronavirus Infections/virology , Female , Humans , Male , Pandemics , Pneumonia, Viral/epidemiology , Pneumonia, Viral/virology , Retrospective Studies