Scientists have long known that ultraviolet light can kill pathogens on surfaces and in air and water. UV robots are used to disinfect empty hospital
Type of UV Light Most Effective at Killing Coronavirus is Also Safest to Use Around People
Specific UV light wavelength could offer low-cost, safe way to curb COVID-19 spread, CU Boulder Today
Mythbusters
Could visible light be a safe and effective SARS-CoV-2 disinfectant?
Does UV Light Kill Viruses? Best Sterilizer Devices 2021
COVID-19 Reveals Importance of UV-C in HVAC Industry, 2020-06-16
Do UV lights kill COVID-19 in air conditioning systems?
Scientists Consider Indoor Ultraviolet Light to Zap Coronavirus in the Air - The New York Times
Could a novel UV light device inactivate SARS-CoV-2 on surfaces?
Far-UVC light (222 nm) efficiently and safely inactivates airborne human coronaviruses
Is Ultraviolet Light Effective at Inactivating COVID-19 for a Healthy Workplace? - kW Engineering