Bathroom hand dryers spray feces droplets onto your hands, study finds

Bathroom hand dryers spray feces droplets onto your hands, study finds

There was bacteria contamination inside the hand dryers, waiting to spread to the next person who dries their hands with them.

One of the basic hygiene measures is to dry the hands under a hand dryer after using the washroom. Letting your hands air dry is also a more sanitary option. Thus the air sprayed is teeming with bacteria like E. coli that is found in faeces.

Using a HEPA filter on the hand dryers reduced the bacteria by 75 percent, the study showed. The study by researchers at the University of Connecticut School of Medicine appeared in the latest issue of the journal Applied And Environmental Microbiology. These sterile plates were then cultured and 18 to 60 colonies of bacteria were found to grow on them.

When the plates were simply left in the bathroom for a while, they only collected max 20 colonies.

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Washing your grubby mitts is one of the best ways to cut your chances of getting sick and spreading harmful germs to others, but a new study may make you think twice before you use air hand dryers in public restrooms.

The research adds to a growing body of evidence showing that hot-air hand dryers have a role in the spread of bacteria-safe and potentially unsafe.

"Within a large building, potentially pathogenic bacteria including bacterial spores may travel between rooms, and subsequent bacterial/spore deposition by hand dryers is a possible mechanism for spread of infectious bacteria including spores of potential pathogens if present", the study said.

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