Superspreading event in Ho Chi Minh City

St. Patrick’s Day, March 14. Bar X. Ho Chi Minh City. The bar had 2 indoor areas for clients, a 300-m2 area downstairs and an 50-m2 area upstairs, with no mechanical ventilation. During open hours, the left and right entrances were typically kept closed to facilitate cooling with air conditioners that recycled indoor air; the middle entrance was kept open. The bar also has naturally ventilated outdoor spaces. A 43-year old SARS-CoV-2 man enters the bar at 10:00 PM and participates in the celebration until 2:30AM. The result: 12 additional SARS-CoV-2 infections. The authors conclude that persons in crowded indoor settings with poor ventilation may be considered to be at high risk for SARS-CoV-2 transmission.

Chau NVV, Hong NTT, Ngoc NM, , et al. Superspreading event of SARS-CoV-2 infection at a bar, Ho Chi Minh City, Vietnam. Emerg Infect Dis. 2021 Jan. Full-text:


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