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. 2020 Jul;26(7):1628-1631.
doi: 10.3201/eid2607.200764. Epub 2020 Apr 2.

COVID-19 Outbreak Associated with Air Conditioning in Restaurant, Guangzhou, China, 2020

Jianyun Lu, Jieni Gu, Kuibiao Li, Conghui Xu, Wenzhe Su, Zhisheng Lai, Deqian Zhou, Chao Yu, Bin Xu, Zhicong Yang

COVID-19 Outbreak Associated with Air Conditioning in Restaurant, Guangzhou, China, 2020

Jianyun Lu et al. Emerg Infect Dis. 2020 Jul.

Abstract

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.

Keywords: 2019 novel coronavirus disease; COVID-19; SARS-CoV-2; droplet transmission; family cluster; outbreak; respiratory infections; restaurant; severe acute respiratory syndrome coronavirus 2; viruses; zoonoses.

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Figure
Figure
Sketch showing arrangement of restaurant tables and air conditioning airflow at site of outbreak of 2019 novel coronavirus disease, Guangzhou, China, 2020. Red circles indicate seating of future case-patients; yellow-filled red circle indicates index case-patient.
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