Magic Wand? Not Really, Nope!ĭuring the H1N1 influence pandemic of 2009, microbiologists warned that theĭistance and duration that a wand is held from an infected surface are both critical. The same sanitizing energy can also damage eyes and skin, and cause cancer. UV-C carries the most energy capable of destroying the bonds that hold together the DNA and RNA of viruses and bacteria, stopping them from working. Ultraviolet light has been an old friend to the disinfection world for over a century. These three types of UV radiation differ in their biological activity and the extent to which they can penetrate the skin, says Shen. Ultraviolet light, or UV, that heads to earth courtesy of the sun and the electromagnetic spectrum, comes in three main flavors: UV-A ranges from 315 to 400 nanometers, UV-B from 280 to 315 nanometers and UV-C from 100 to 280 nanometers. “Beware of false claims that say these products are effective, or are safe for use on humans,” says Jung-Tsung Shen, an engineer and physicist at Washington University in St. Since researchers have no idea of the dose, distance or time to disable SARS-CoV-2, these lights could give you a false sense of security. You also risk accidental exposure to dangerous ultraviolet light. Others are of such low power that you’d have to hold the device over an item (say, a mask) for 30 minutes to maybe get any disinfection, much less destroy SARS-CoV-2, the virus responsible for COVID-19. But while a personal UV-C light wand may sound nifty, problems with the wands may outweigh any potential benefits.įor starters, many of them are fakes. They’re easy to find on sites like Amazon, Sharper Image and eBay. The product descriptions are certainly alluring - advertised to sanitize everything from mail to computer keyboards, plus makeup brushes, sofas, bedding, toilets and pet areas. Perfect for that weekend trip to the Airbnb. These devices claim to kill 99.9 percent of germs, bacteria and viruses, and they’re lightweight and portable. If you’ve struggled to find household disinfectants and wipes recently, you’ll understand the allure of UV wand disinfectants.
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