Bathroom Hand Dryer Germs

Running such a dryer can be a bit like bringing a leaf blower into a bathroom sucking in air bacteria viruses and potentially poo and then forcing them out with great speed.

Bathroom hand dryer germs. When the researchers installed hepa filters in bathroom hand dryers it significantly reduced the number of bacteria that the blowers dispersed they noted in the study. In a separate study scientists found that petri dishes exposed to bathroom air hand dryers grew significantly more colonies of bacteria. These results indicate that many kinds of bacteria including potential pathogens and spores can be deposited on hands exposed to bathroom hand dryers and that spores could be dispersed. 21 2014 healthday news those air blown hand dryers in public restrooms may spread far more germs than conventional paper towels a new.

Petri dishes exposed to bathroom air for two minutes with the hand dryers off only grew one colony of bacteria or none at all. Hand dryers blow around germs. Even more evidence. One reason hand dryers disperse so many bacteria is the large amount of air that passes through hand dryers 19 000 linear feet per minute at the nozzle the researchers wrote in their study.

However petri dishes exposed to hot air from a bathroom hand dryer for 30 seconds grew up to 254 colonies of bacteria though most had from 18 to 60 colonies of bacteria. That you ll walk out of the bathroom covered in other people s germs. Because it turns out while bathroom hand dryers can be more environmental than paper towels they can also be a whirlpool of faecal matter. You might not know it but when someone flushes an open toilet little bits of poop and bacteria can be thrown as high as 15 feet 4 5 metres into the air.

Hand dryers spread bacteria so dramatically that scientists think they re a public health threat.