Peter Jones
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During the COVID-19 pandemic, many businesses have turned to touch-free methods to cut down on opportunities for spreading germs.

For example, many restaurants now provide a QR code for viewing their menu on your smartphone in lieu of traditional paper menus.

In addition, many business restrooms use hand dryers rather than paper towels.

However, according to a new study published in Infection Control & Hospital Epidemiology, the latter may not be as effective as we might think it is.

High-speed air dryers may actually leave more contamination on your hands than paper towels do.