Most of us know to wash our hands after using the bathroom, but British researchers say we may want to do the same after withdrawing cash from the ATM.

According to London’s Daily Mail. A swab of ATM keypads around the city revealed high levels of two bacteria known to cause sickness and diarrhea. Researchers found just as much contamination on the ATMs as they did on nearby public toilets.

But CBS News reports that 99-percent of the bacteria that make humans sick is transmitted person-to-person. A preventative medicine specialist tells the network you could swab almost anything and find the two bugs discovered on London’s ATM keypads. He advises people to just keep washing their hands and steer clear of anyone with the flu; their microbes are airborne.

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