UV lights come in a variety of different wavelengths, but not all are equally effective at disinfection. Researchers tested a number of commercially available lights to find the best.
Scientists Consider Indoor Ultraviolet Light to Zap Coronavirus in the Air - The New York Times
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Could UV Light Reduce the Spread of Covid-19 in Indoor Spaces?, Innovation
Ultraviolet light to zap coronavirus on subways, buses - ABC News
Far-ultraviolet LED designed to kill bacteria and viruses efficiently without harming humans
Far-UVC light (222 nm) efficiently and safely inactivates airborne human coronaviruses
Does UV Light Actually Disinfect and Kill Viruses? – Beckman Laser Institute
Using UV light to kill coronavirus: The benefits and risks - CNET
Can A UV Light Kill The Coronavirus? And Is It Safe To Use? : Goats and Soda : NPR
Using UV light to kill coronavirus: The benefits and risks - CNET
Information for Persons Who Are Immunocompromised Regarding Prevention and Treatment of SARS-CoV-2 Infection in the Context of Currently Circulating Omicron Sublineages — United States, January 2023
Type of Ultraviolet Light Most Effective at Killing Coronavirus Is Also the Safest to Use Around People
You asked, we're answering: Your top questions about Covid-19 and vaccines
Using UV light to kill coronavirus: The benefits and risks - CNET