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?

International Ultraviolet Association Inc - UV Disinfection for COVID-19

COVID-19: How to make indoor spaces safer, Coronavirus pandemic

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

Harness the power of UVC disinfection to fight pathogens

Which air purification technologies can tackle COVID-19?

Can air purifiers help stop coronavirus spread indoors? - Vox

Could a New Ultraviolet Technology Fight the Spread of Coronavirus?

Improving indoor air quality to prevent COVID-19

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

Could UV Light Reduce the Spread of Covid-19 in Indoor Spaces?, Innovation

For $1 per person, UV light can help protect world from virus, scientists claim

Environmental Surveillance and Transmission Risk Assessments for SARS-CoV-2 in a Fitness Center - Aerosol and Air Quality Research

Opinion We Have the Technology to Stop Superspreading Without Masks - The New York Times

Specific UV light wavelength could offer low-cost, safe way to curb COVID-19 spread, CU Boulder Today