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Hot-air dryers suck in nasty bathroom bacteria and shoot them at your hands


gingerbread80

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gingerbread80

Washing your grubby mitts is one of the all-time best ways to cut your chances of getting sick and spreading harmful germs to others. But using the hot-air dryers common in bathrooms can undo that handy hygienic work.

 

Hot-air dryers suck in bacteria and hardy bacterial spores loitering in the bathroom—perhaps launched into the air by whooshing toilet flushes—and fire them directly at your freshly cleaned hands, according to a study published in the April issue of Applied and Environmental Microbiology. The authors of the study, led by researchers at the University of Connecticut, found that adding HEPA filters to the dryers can reduce germ-spewing four-fold. However, the data hints that places like infectious disease research facilities and healthcare settings may just want to ditch the dryers and turn to trusty towels.

 

Indeed, in the wake of the blustery study—which took place in research facility bathrooms around UConn—"paper towel dispensers have recently been added to all 36 bathrooms in basic science research areas in the UConn School of Medicine surveyed in the current study,” the authors note.

 

he research findings largely square with other data showing that hot-air dryers and jet dryers can launch and disperse germs from hands into the air and onto surfaces—essentially setting off a very dirty bathroom bomb. But the new study clearly demonstrates that the less powerful hot-air dryers can also bathe hands with germs already swirling in the wash room.

 

The researchers speculated that “one reason hand dryers may disperse so many bacteria is the large amount of air that passes through hand dryers, 19,000 linear feet/min at the nozzle. The convection generated by high airflow below the hand dryer nozzles could also draw in room air.”

 

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As in most cases, issue is because of the improper use of technology: the bathroom hot-air dryers don't have anti-bacterial filters!  Bad news, actually, because I am (was?)  one of those who hopefully trusted "modern" hot-air dryers. And, sadly, in most bathrooms with hot-air dryers thare are no disposable paper towels. So the option is that you should carry some of those paper towels in your pockett or handbag.

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paper towel..single use.... public washrooms are friggin nasty places for bacteria contamination... no lids on the toilets ..water vapor plumes after every flush spread feces over every surface and hang in the air too...

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