Hot weather does not kill COVID-19, may facilitate its spread, scientist says

"VAN" (International Desk) :: Summer heat does not deactivate the coronavirus living on surfaces and may even contribute to the higher incidence rate in Russia, says Albert Rizvanov, director of the Clinical Research Center for Precision and Regenerative Medicine at Kazan Federal University, who leads the research team developing the coronavirus vaccine.

"Low [air] temperatures indeed increase the virus’s survivability: the optimal temperature for the virus is 4-8 degrees [Celsius]. When air temperature increases, the virus becomes less stable, but not by orders of magnitude. However, the virus most often transmits via air (talking, sneezing, coughing or just breathing), handshake and contact with recently contaminated surfaces. This is too fast for the virus to decompose even in summer temperatures," Rizvanov said.

The scientist added that when it is hot people tend to go out and contact each other more often. "This might become an additional risk factor," he concluded.


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