Ultraviolet (UV) light is a form of light, invisible to the human eye, that exists on the electromagnetic spectrum between X-rays and visible light. UV is generally divided into three sub-bands: UVA (315–400 nm), UVB (280–315 nm) and UVC (180–280 nm). UV Photons utilize short-wavelength ultraviolet (UV-C) light.
UV light mutates and or breaks down DNA at a wavelength of 253.7nm. UV will break the molecular bonds within micro-organismal DNA, producing thymine dimers in their DNA, thereby destroying them, rendering them harmless or prohibiting growth and reproduction. When the DNA is damaged, the organism cannot reproduce or cause infections.
According to the CDC, there are currently over 2.6 million cases of coronavirus (COVID-19) in the United States, resulting in over 128,000 deaths. This pandemic is affecting the lives of people all over the world, and everybody is looking for ways to contain and fight the virus.
This article provides some of the guidelines that employers, employees, and individualscan follow to protect themselves and their workplace against overexposure to UVC.