Far-UVC light to kill the coronavirus

A narrow wavelength of UV light could help in the fight against coronavirus...
04 June 2020
Presented by Eva Higginbotham, Chris Smith
Production by Eva Higginbotham.


UV light strips.


Donald Trump got a lot of stick when he talked about using disinfectant and light to kill off COVID-19 - seemingly implying people should drink bleach or shine a torch down their throats. He was likely referring, though, to research into killing off the coronavirus on surfaces like metal and plastic. And team at Columbia University has indeed discovered a narrow wavelength within UV light that they call 'far-UVC', that, as well as killing viruses on surfaces, is also safe for humans because it can't get through our skin. Eva Higginbotham heard more from David Brenner...


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