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Pulsed Broad-Spectrum UV Light Effectively Inactivates SARS-CoV-2 on Multiple Surfaces and N95 Material

See — The ongoing SARS-CoV-2 pandemic has resulted in an increased need for technologiescapable of efficiently disinfecting public spaces as well as personal protective equipment. UV light disinfection is a well-established method for inactivating respiratory viruses. Here, we have determined that broad-spectrum, pulsed UV light is effective at inactivating SARS-CoV-2 on multiplesurfaces in vitro. For hard, non-porous surfaces, we observed that SARS-CoV-2 was inactivated to undetectable levels on plastic and glass with a UV dose of 34.9 mJ/cm<sup>2</sup> and stainless steel with a dose of 52.5 mJ/cm<sup>2</sup> . We also observed that broad-spectrum, pulsed UV light is effective…
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