During a recent press briefing at the White House, Bryan explained how UV rays from the sun are powerfully antagonistic against the Wuhan coronavirus (COVID-19), inhibiting its ability to survive, let alone take hold and spread.

A study that looked at the three different types of UV light given off by the sun – A, B, and C rays – found that UVC in particular destroys certain types of genetic material in humans, including viral particles. Based on this, the study found that UVC light can effectively inactivate microbes like the Wuhan coronavirus (COVID-19).

"Our most striking observation to date is the powerful effect that solar light appears to have on killing the virus, both on surfaces and in the air," Bryan is quoted as saying about the study's findings.

"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," he added.