Since we all will be doing a lot of hand washing, people may not realize just how unsanitary those hand dryers are in public restrooms.
Hand dryer study shows they blow hands with bathroom fecal bacteria
We know fecal bacteria shoots into the air when a lidless toilet flushes — a phenomenon known, grossly,
as a "toilet plume." But in bathrooms where such plumes gush regularly, where does all that fecal bacteria go?
Into a hand dryer and onto your clean hands, perhaps. That's what a new study suggests. Researchers examined plates exposed to just 30 seconds of a hand dryer compared to those left in, you know, just plain feces-filled air.
The findings: Air-blasted plates carried 18-60 colonies of bacteria on average, whereas two minutes' exposure to the mere bathroom air left fewer than one colony on average.
Restroom Hand Dryers Spread More Germs Than Paper Towels, Study Finds
"Next time you dry your hands in a public toilet using an electric hand dryer, you may be spreading bacteria without knowing it. You may also be splattered with bugs from other people's hands," Wilcox said in a university news release.
"These findings are important for understanding the ways in which bacteria spread, with the potential to transmit illness and disease," he added.
The Dirty Truth About Hand Dryers – Health Essentials from Cleveland Clinic
One sure-fire way to keep
flu and other viruses at bay is to
wash your hands often and well.
But, if you can, avoid high-speed jet air dryers in public restrooms.
Research shows that they spread — rather than remove — germs. The same is true to a lesser extent for warm air dryers.
The clear winner: Good old-fashioned paper towels.