The ultraviolet light method is what officials at Henry Ford Health System have been studying. “Back in March, it was a pretty rough time for all of us,” said Dr. David Ozog, the chair of dermatology at the Henry Ford Health System. “Our department does a lot of ultraviolet light therapy, as do a lot of dermatology departments.”Using their expertise in ultraviolet light, they quickly determined UV-C lights could be used to kill SARS-CoV-2 on masks. “We started implementing these devices at Henry Ford,” Ozog said. “I had to be honest and say we really don’t know because we’ve never tested SARS-CoV-2,” Ozog said.