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

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


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.

MeSH terms

  • Air Conditioning / adverse effects*
  • Betacoronavirus*
  • China / epidemiology
  • Coronavirus Infections / epidemiology*
  • Coronavirus Infections / transmission
  • Disease Outbreaks*
  • Family
  • Humans
  • Pandemics
  • Pneumonia, Viral / epidemiology*
  • Pneumonia, Viral / transmission

Supplementary concepts

  • COVID-19
  • severe acute respiratory syndrome coronavirus 2