Putting UV Covid-19 disinfection under the spotlight: Spectroradiometry can help producers and users ensure UV-based virus-fighting equipment really works

Robert Yeo first became concerned about attempts to use ultraviolet (UV) light to fight coronavirus on 5 June last year. That day he took his car to be serviced–the first day the UK’s anti-coronavirus lockdown restrictions were lifted sufficiently to allow it. ‘The garage proudly took my car keys off me, put them inside this UV light box and said, “There you go, you’re safe now,”‘ Yeo recalled. They also told Yeo, director at Pro-Lite Technology, that engineers would disinfect his steering wheel, presumably with a UV light wand, a stick with many UV LEDs embedded in it. As…