UV-C light is being used across Canada to disinfect, but can it kill COVID-19?





Researchers have been testing the power of UV-C light when it comes to eradicating COVID-19. The Weather Network’s Rachel Schoutsen explains.

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5 Replies to “UV-C light is being used across Canada to disinfect, but can it kill COVID-19?”

  1. From Web MD :
    The kind of light that’s used, ultraviolet C (UVC), is one of the three types of rays given off by the sun. It is filtered out by the ozone before it can get to life on Earth, thankfully: Though it can kill germs, it can also cause cancer and destroy our DNA and the corneas of our eyes.
    That is the current dilemma with the use of UV technology, Malley says. It has great potential, but it can cause serious permanent damage.
    The sanitizing effects of UV lights have been seen with other coronaviruses, including the one that causes severe acute respiratory syndrome (SARS). Studies have shown that it can be used against other coronaviruses. One study found at least 15 minutes of UVC exposure inactivated SARS, making it impossible for the virus to replicate. New York’s Metropolitan Transit Authority announced the use of UV light on subway cars, buses, technology centers, and offices. The National Academy of Sciences says although there is no concrete evidence for UV’s effectiveness on the virus that causes COVID-19, it has worked on other similar viruses, so it would likely fight this one too.

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