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Short study suggesting aerosol transmission of #COVID19 via air-conditioning

Just saw this pre-print “COVID-19 Outbreak Associated with Air Conditioning in Restaurant, Guangzhou, China, 2020“.  Very short, very to the point.   Evidence that droplet transmission happened in this particular outbreak via the ventilation within a building.  Abstract below:

 

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.

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