Originally Published by Healthline
Ultraviolet (UV) light is a type of radiation. It has more energy than radio waves or visible light but less energy than X-rays or gamma rays. You can be exposed to UV light via natural sunlight or through human-made sources like tanning beds. UV light has been used as a means to kill germs like bacteria and viruses. You may have also heard of its use for killing SARS-CoV-2, the new coronavirus that causes COVID-19. In this article, we’ll explore how UV light is used to kill germs, how effective it is at eliminating the new coronavirus, and more.
UVC light is the type of UV light that’s most effective at killing germs. It can be used to disinfect surfaces, air, and liquids.
UVC light kills germs like viruses and bacteria through damaging molecules like nucleic acids and proteins. This makes the germ incapable of performing the processes that it needs to survive.
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