20 Everyday Items You’d Never Guess Are Dirtier Than Your Toilet

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Selection of global banknotesImage: Moyan Brenn

1. Banknotes

Toilet seats are squeaky clean compared to banknotes, more than a quarter of which harbor dangerous quantities of germs. This is according to scientists at Queen Mary University of London, who discovered that some bills even host the potentially deadly E.coli bacteria.

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