222-nm UVC can supposedly disinfect COVID with much less harm to human tissue than adjacent frequencies, but it's still not available in an LED. Any light from

222-nm UVC can supposedly disinfect COVID with much less harm to human tissue than adjacent frequencies, but it's still not available in an LED. Any light from an LED won't disinfect anything. https://dsiac.org/articles/using-222-nm-ultraviolet-uv-light-for-safer-disinfection/ https://dsiac.org/articles/using-222-nm-ultraviolet-uv-light...