Tag: <span>indoor air</span>

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New type of ultraviolet light makes indoor air as safe as outdoors

by Columbia University Irving Medical Center A new type of ultraviolet light that is safe for people took less than five minutes to reduce the level of indoor airborne microbes by more than 98%, a joint study by scientists at Columbia University Vagelos College of Physicians and Surgeons and in the U.K. has found. Even...