Your Randelas Are A Breeding Ground For Pathogenic Bugs


Hasan Variawa |

Here’s what researchers found lurking on your bills

You might not want to put your money where your mouth is: Paper money can harbour disease-causing bacteria, a new study in Frontiers in Microbiology found. Researchers collected banknotes from 12 hospitals and three metro stations in Hong Kong and swabbed them to see if bugs can actually survive on the paper. They also took samples from people’s hands, the air in the metro station, drinking water, and water sediment, too.

After analysing the samples, the researchers found that the paper money actually contained a much greater variety of bacteria than any of the areas tested. And it’s not just the harmless stuff, either: Thirty-six percent of all the bacteria were potentially pathogenic, meaning they could make you sick, the researchers say. That included E.coli and Clostridium difficile, two organisms which can cause diarrhoea or even more serious illness.

The researchers also discovered that the percentage of antibiotic-resistant bacteria was also significantly higher on the banknotes than on any of the other samples. “In short, banknotes act as a medium ‘absorbing’ bacteria from other environments, and the potential pathogens live quite well on the banknote surface,” study author Jun Li, Ph.D., said in a press release.

Paper money can get contaminated by bugs from the air or on a surface, but unhygienic behaviours from the handler—like not washing your hands after going to the bathroom, or coughing into your hands and then touching the money—plays a big part, too. And that’s a big problem, since money changes hands frequently, allowing for a chain of possible transmission. The best way you can stay protected is to wash your hands after touching the money. And signing up for mobile or electronic payment options can greatly reduce your contact with physical money, too.

Article originally published on menshealth.com

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