Some dryers spread germs instead of removing them
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.
By Dwight Burdette – Own work, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=14922487
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