COVID-19 Outbreak Associated with Air Conditioning in Restaurant, Guangzhou, China, 2020.Emerg Infect Dis. 2020 Jul; 26(7):1628-1631.EI
During January 26-February 10, 2020, an outbreak of 2019 novel coronavirus disease in an air-conditioned restaurant in Guangzhou, China, involved 3 family clusters. The airflow direction was consistent with droplet transmission. To prevent the spread of the virus in restaurants, we recommend increasing the distance between tables and improving ventilation.