Don't have Telegram yet? Try it now!
https://www.innovationtoronto.com/2018/02/safe-human-exposure-far-uvc-light-may-offer-low-cost-solution-eradicating-airborne-viruses-indoor-public-spaces/
Safe for human exposure, far-UVC light may offer low-cost solution to eradicating airborne viruses in indoor public spaces