Student's Petri Dish Experiment Shows What's Lurking Inside Hand Dryers

Student's Petri Dish Experiment Shows What's Lurking Inside Hand Dryers

Student's Petri Dish Experiment Shows What's Lurking Inside Hand Dryers

Well, Nichole Ward took it upon herself to perform a little experiment: She stuck a petri dish in the open plate of a hand dryer for three minutes, and then took a picture of that dish a few days later.

"The hot air will kill the bacteria on the hands, but some studies have found they will also deposit bacteria in the restroom on your hands - i.e., from the air", said Charles P. Gerba, a microbiologist at the University of Arizona.

"[It] looks like from that whole three-minute dryer experience, she picked up a total of about five or six bacteria or fungal spores, most likely from the environment around her rather than from the dyer itself", he says. Curiously, though, she removed that from the post after it went viral. Hmm.

These gross pics reveal why you should NEVER use a hand dryer in a public toilet

Dyson has been on the defensive about their hand dryers for years now, even since a series of studies came out claiming that the air dryers blow bacteria all over the bathroom.

"This is the several strains of possilbe pathogenic fungi and bacteria that you're swirling around your hands, and you think you're walking out with clean hands".

"DO NOT EVER dry your hands in those things again", she warned.

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But a scientist's experiment has just revealed how filthy they really are, after she tested out the bacteria in the public hand dryers. Do not use them.

Maybe we should all just stand there for half an hour and let our hands drip dry post-handwash instead. From now on I just wash and scrub, and dry on my clothes or shake and air dry OUTSIDE of the bano, ' she said. "Use one with 62 per cent to 70 per cent ethanol and add enough to keep your hands wet for 15 seconds and you'll be safe".

It's unclear what - if any - scientific background Ward has to make the evaluation. 'But the spores in the air of a bathroom are SERIOUS and this was obviously overlooked'.

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Dyson said in a statement the company was "very surprised to see these results" but noted it was unclear what methodology the woman used to get the results. It goes on to state the hand dryers are "proven hygienic by university research and are trusted by hospitals, food manufacturers and business worldwide".

Both jet and warm air hand dryers spread bacteria into the air and onto users and those nearby.

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