Superspreading Event of SARS-CoV-2 Infection at a Bar, Ho Chi Minh City, Vietnam.
Chau NVV., Hong NTT., Ngoc NM., Thanh TT., Khanh PNQ., Nguyet LA., Nhu LNT., Ny NTH., Man DNH., Hang VTT., Phong NT., Que NTH., Tuyen PT., Tu TNH., Hien TT., Minh NNQ., Hung LM., Truong NT., Yen LM., Rogier van Doorn H., Dung NT., Thwaites G., Dung NT., Van Tan L., OUCRU COVID-19 research group1 None.
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.