Sunlight and humidity kill coronavirus the fastest: US scientists

Experiment shows UV rays destroy COVID-19 both on surfaces and in air, but US gov’t research yet to be made public.

US scientists say coronavirus dies the fastest when it is exposed to direct sunlight, though a study cited has not yet been made public and awaits external evaluation.

William Bryan, science and technology adviser to the Department of Homeland Security, told reporters at the White House on Thursday that government scientists found ultraviolet rays had a potent impact on the pathogen, offering hope its spread may ease over the summer.

“The virus dies quickest in the presence of direct sunlight,” Bryan said.

US scientists say coronavirus dies the fastest when it is exposed to direct sunlight, though a study cited has not yet been made public and awaits external evaluation.

William Bryan, science and technology adviser to the Department of Homeland Security, told reporters at the White House on Thursday that government scientists found ultraviolet rays had a potent impact on the pathogen, offering hope its spread may ease over the summer.

“The virus dies quickest in the presence of direct sunlight,” Bryan said.

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