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Researchers May Have Provided The First Proof That Ultraviolet C (UVC) Light, With A Wavelength Of 222nm, Can Effectively Kill SARS-CoV-2. The 222nm UVC Light, Which Is Said To Be Safe Around Humans, Was Found To Kill 99.7% Of SARS-CoV-2 After A 30-Second Exposure, Making It A Possible Disinfectant For Human Occupied Areas.

Study shows first proof that a safer UV light effectively kills virus causing COVID-19 | EurekAlert! Science News

https://www.eurekalert.org/pub_releases/2020-09/hu-ssf091620.php

Researchers offer first proof that Ultraviolet C light with a 222 nm wavelength — which is safer to use around humans — effectively kills the SARS-CoV-2 virus.