Can UV light clean indoor air to reduce the spread of Covid

Some wavelengths of light in a range called far-UVC kill microbes in experiments and appear to be harmless to people. Could they be used to make indoor spaces safer against the coronavirus?

UV phone sanitizers work, but you don't need one for covid - The Washington Post

UV Light Disinfection Effectiveness, Safety, and Lamp Types - LightSources

Destroying coronavirus vs. creating indoor smog

Analyzing different mechanical systems in response to COVID-19

Leading light: ensuring effective use of UV technology in buildings - CIBSE Journal

Weekly Topic, Winter is coming: Layering of protective measures to reduce the risk of COVID-19 indoors

Could An Old Tool, UV Light, Help Kill Airborne Coronavirus? : Shots - Health News : NPR

Addressing COVID-19 contagion through the HVAC systems by reviewing indoor airborne nature of infectious microbes: Will an innovative air recirculation concept provide a practical solution? - ScienceDirect

Are UV air purifiers worth it?

International Ultraviolet Association Inc - UV Disinfection for COVID-19

Could An Old Tool, UV Light, Help Kill Airborne Coronavirus? : Shots - Health News : NPR