Light to Kill Viruses

But what does science say?  Can ultraviolet light really kill COVID-19?

Dr. Tillman Kubis, an engineering professor at Purdue University who’s conducted research related to UV-C, says yes.

“It will kill COVID-19 for sure,” Kubis said. “I mean, this is knowledge, it’s been proven often enough. There’s absolutely no reason it wouldn’t work, as long as the exposure time or the dose for the DNA is high enough.”

He says in order for the virus DNA to be destroyed, you have to get every nook and cranny, every shadow in the room.

For a small room, that takes about 14 minutes. Larger spaces can take a couple of hours.

“As long as you expose it long enough, there’s nothing left,” Kubis said.


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