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We report a superspreading event of severe acute respiratory syndrome coronavirus 2 infection initiated at a bar in Vietnam with evidence of symptomatic and asymptomatic transmission, based on ministry of health reports, patient interviews, and whole-genome sequence analysis. Crowds in enclosed indoor settings with poor ventilation may be considered at high risk for transmission.

Original publication

DOI

10.3201/eid2701.203480

Type

Journal article

Journal

Emerging infectious diseases

Publication Date

01/2021

Volume

27

Keywords

OUCRU COVID-19 research group1, Humans, Contact Tracing, Crowding, Genome, Viral, Adult, Vietnam, Male, COVID-19, SARS-CoV-2