UV light also known as Ultraviolet light is invisible to humans. On the equipment known as electromagnetic spectrum it can be adjacent to visible light.
Now-a-days everybody has only one question that UV light is nature’s disinfectant but the corona virus could be killing by it?
As society stay busy in an attempt to stop the spread of corona virus, people are using straight precautions to keep themselves from catching the disease. Hand sanitizers, rubbing alcohol and other disinfectants are in short supply due to this. So, many are turning to nature’s disinfectant UV-light. It has been used from decades to sterilize things and areas.
Viruses may have DNA or RNA. They reproduce by attaching to cells and injecting their DNA. UV light damages DNA as in you get a sunburn. UV light can make thymine bases to fuse together scramble the DNA. As a result, the DNA sequence is no longer correct, it can no longer replicate. This is the funda now UV light annihilates viruses.
In case of now breed covid-19, right now there is a dearth of knowledge for its resistance to UV. The companies which produce UV devices are having increasing in sales. Hospitals has started using UV based robots to disinfect the rooms even masks are getting the same treatments of sterilization.
UV lights were failed in use on SARS and MERS previously. But it is not fair that we expect same with covid-19. Research has shown that far UVC lamps can eradicate even airborne viruses without having people.