Ultraviolet lighting products are under a
harsh spotlight, thanks to the coronavirus pandemic, according to a
recent article in Inc.
As businesses look to reopen in the wake of Covid-19 shutdowns, many
are turning to UV lighting for its ability to destroy germs and other
pathogens. But researchers are urging caution over claims made by some UV
products now entering the market in this largely unregulated
industry.
"We need more research," says Jim Malley, professor of civil
and environmental engineering at the University of New
Hampshire. "Unless somebody can show us some really clear clinical
studies with humans, like we would with a drug or a vaccine, we can't just
assume it's safe."
While UV-based disinfecting products have been around for years, more
companies have entered the fray in recent months with everything from phone
cases to handheld wands. The UV disinfection equipment segment is
projected to grow from $2.9 billion in 2020 to $5.3 billion in 2025, according
to an April report from research firm Markets and Markets.
An Amazon search for UV light sanitizers brings up a list of hundreds of UV products. For example, the UV Light Sanitizer Bag claims to kill 99.9% of Germs, Viruses & Bacteria. All this cleaning assurance for only $189.
Ed Nardell, a professor of environmental health and infectious diseases at
Harvard Medical School, says the light emitted from wands for desks and
keyboards generally isn't strong enough to have an impact.
"It's the Wild West," he says. "We're in the moment of panic
and Covid. It's great to have some new tools, but when you see some of these
things, it's just discouraging.
Sorry to say, the best way to keep yourself clean is to wash your hands often with soap and
water for at least 15-20 seconds. If soap and water are not available, use a
hand sanitizer with at least 60% alcohol. Also avoid touching your eyes,
nose, and mouth with unwashed hands.
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