Engineering360: "Shining the (UVC) light on COVID-19"

Get out the vaccines and we don't have to worry about any of this.

253.7 nm kills this virus and other bacteria but you have to also have proper mw/cm this is the power needed in each event 190nm creates ozone or o3

220 nm creates ozone which is harmful to people, the range is 250 to 265 nm is the most effective at destroying the dna,rna of these viruses in which these ranges are harmful to people but can be used to decontamination areas without the worry of photoreactivation a simple formula to use is d=it

The potential damage to skin and eyes was not mentioned in this article. UVC light cannot be used with humans present.

UVC in the 222nm wavelength has been repeatedly shown to be harmless to humans and deadly to SARS virus variants in seconds and should have been massively pushed forward months ago. The most common UVC @ 254nm will kill the virus but IS harmful to humans. Why the 222nm variant is being ignored boggles my mind.

Actually, I am in UV industry, although a lot of reports and news show that 222nm uvc light is harmless for human body, it still cause people uncomfortable, such as headaches, dry eyes, etc.when people receive 22mj/day(also has been recognized by Ushio, the famous manufacturer of 222nm uvc lamp in USA and has been reacted by our customers). So a lot of manufacturers develop a new version of 222nm uvc lamp with a automatic-switch mode to make sure people will not receive 22mj/day.

I have read that FAR UVC can destroy harmful viruses and bacteria, AND is safe for humans and animals. Why is far UVC not available for use yet?

Sometimes we have to be careful what we wish for. We might get it.