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How does the humidity level in the air affect airborne transmission of COVID-19?

Studies have looked at the effect of temperature and humidity on survival of other respiratory viruses, like SARS-CoV, MERS-CoV, and influenza. Studies are ongoing to assess whether SARS-CoV-2 behaves similarly with respect to latitude, temperature, and humidity variation. 

Answered by Dr. Molly Fleece, MD.