Any UV radiation strong enough to destroy the cells of bacteria is strong enough to destroy human cells. We know that UV-radiaton that's not strong enough to kill bacteria is already harmful to human skin (we call the phenomenon sunburn).
https://www.canada.ca/en/public-health/services/diseases/201...
> UV-C has demonstrated the ability to effectively and safely inactivate the SARS-CoV-2 virus up to 99.9%
> There are four methods to disinfect the air with UVGI technologies: 1) ..., 2) irradiating the full room, whole-room far UV-C when rooms are occupied 3) ...
Truly, the lack of critical thinking in the left meme reposters was the main cause of dems losing the last election. You guys are pretty successful in demonstrating that.