Far-UVC light is safe around humans, but it’s deadly for airborne droplets of the virus, say researchers from Columbia University Irving Medical Center. In tests, the light killed all but 0.1 percent of virus samples in 25 minutes. Even after eight minutes, around 90 percent had been killed.
Unlike conventional UVC light, it can be safely used indoors, such as in hospitals or care homes, as well as schools and planes and buses, the researchers say. Far-UVC light can’t penetrate human tissue, and especially the tear ducts of the eye.
The light is effective against all types of SARS viruses, and can eliminate seasonal flu as well.
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(Source: Scientific Reports, 2020; 10: doi: 10.1038/s41598-020-67211-2)
