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abstractpubmed· Abstract 2020· item PMID:32240078
COVID-19 Outbreak Associated with Air Conditioning in Restaurant, Guangzhou, China, 2020. 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.