DHS Official Says Sunlight, Heat & Humidity Could Help Kill Coronavirus


A federal official has stated that sunlight, heat and humidity could weaken the coronavirus on hard surfaces and in the air.

William Bryan, Head of the Science and Technology Directorate at the D.H.S., presented what he called "emerging results" that the virus within droplets of saliva survives best in indoor and dry conditions.

Our most striking observation to date is the powerful effect that solar light appears to have on killing the virus, both surfaces and in the air. We've seen a similar effect with both temperature and humidity as well, where increasing the temperature and humidity or both is generally less favorable to the virus," Bryan said.

Some preliminary studies have suggested that hotter temperatures could be unfavorable to the spread of the virus. However, the virus still spread in countries in which it was summer.

"While there are many unknown links in the COVID-19 transmission chain, we believe these trends can support practical decision making to lower the risks associated with the virus," Bryan said.

President Donald Trump asked task force member Deborah Birx if it's possible to use light and heat to kill the virus. She said it's not something she is aware of, but added that fever is a "good thing" that helps a body respond to infection.

Photos by Getty Images


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