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As society tries to rebound from the coronavirus pandemic, some scientists hope a decades-old technology could zap pathogens out of the air in stores, restaurants and classrooms, potentially playing a key role in containing further spread of the infection.It has the ungainly name of upper-room ultraviolet germicidal irradiation, and it is something like bringing the power of sunlight indoors.“We have struggled in the past to see this highly effective, very safe technology fully implemented for airborne infections,†said Dr. Edward A. Nardell, a professor of global health and social medicine at Harvard Medical School. “We’ve done the studies. We know it works.â€Sunlight disinfects, and the UV part of its spectrum is particularly effective at knocking out airborne pathogens.
UV light is used to disinfect medical devices.
