How Effective Is UV Light Disinfection?

UVC radiation has been proven highly effective in reducing the spread of many types of viruses and bacteria, such as tuberculosis. A UV disinfection lamp is often called a "germicidal" lamp for this reason. Since the onset of the most recent COVID-19 global pandemic that started in 2020, many people have wanted to know if UV disinfection lighting kills the virus that causes COVID-19. According to the Food and Drug Administration, FDA, the UVC radiation found in quality UV disinfection lamps has been shown to destroy the outer protein coating of the SARS-coronavirus, which is a different variation from the SARS-CoV-2 virus that causes COVID-19.

Research is ongoing to determine the effectiveness of UV light disinfection against the SARS-CoV-2 virus, and many studies show positive results. UVC radiation has been proven to be highly effective at eliminating various pathogens. As reported in a study issued by Biological Consulting Services, the following harmful pathogens were effectively eliminated with a UV light disinfectant:

● Polio Virus LSc 1 – 99.99% reduction

● Methicillin Resistant Staphylococcus Aureus (MRSA) – 99.99 reduction

● Influenza A H1N1 – 99.999% reduction

● Salmonella species, 6 variations – 99.99% reduction

● SARS-CoV-2 virus – 99.999% reduction

UV light disinfection is proven highly effective in eliminating these harmful pathogens and many others. It is important to work with an experienced UVC disinfection lamp manufacturer to ensure the lamp emits the proper wavelengths for effective disinfection.

What UV light is used for sterilization?

100-280nm.

For UV sterilization, only UVC (100-280nm) has high enough energy to effectively kill microorganisms. When you are shopping for a UV sterilization product to try in your home or business, make sure that its UV wavelength falls in the range of UVC (100-280 nm).

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