I hate to see creative ideas being down-voted by the mob. While the length of UV exposure time required to kill viruses is probably impractical for a mask, cer

I hate to see creative ideas being down-voted by the mob. While the length of UV exposure time required to kill viruses is probably impractical for a mask, certain UV bands could be instrumental for sanitizing public areas and hospitals. [0] [0] https://www.webmd.com/cold-and-flu/news/20180212/can-uv-light-be-used-to-kill-airborne-flu-virus- https://www.webmd.com/cold-and-flu/news/20180212/can-uv-ligh...