Japanese light equipment maker Ushio said Tuesday it manufactured the world's first ultraviolet system that can kill SARS-CoV-2 without harming humans, the virues that causes COVID-19, in a possible breakthrough to how transmissions are prevented.
Ushio tapped the American Journal of Infection Control to corroborate its claims. Lab tests on the system called Care222 showed that with just 30 seconds of exposure, SARS-CoV2 on surfaces was reduced to "negligible" levels.
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Japan's largest wire service, Kyodo News, was first to report on Ushio's Care222.
Most UV-based germicidal lamps emit ultraviolet radiation at 254 nanometers, which can harm the skin and eyes. Ushio said its 222-nanometer UV light is both safe and "highly effective" as the stronger 254-nanometer.
