Many people agree that they can judge a public bathroom by the hand dryers.
It is interesting that one study on virus dispersal proved that the hand dryers in public bathrooms are not as hygienic as we think, no matter how sleek and practical they seem to be.
About the study of Hand Dryers
The intention of this study actually was to see virus dispersal of three different hand -washing methods: paper towels, conventional “warm air” dryers and “jet dryers”.
The results of this study are quite surprising. Namely, it was discovered that “jet dryers” spread 60 times more viral plaque – forming units than the “warm air” dryers and 1,300 times more than the paper towels. In addition they found out that jet dryers can fling viruses up to 3 meters (10 feet), while the standard warm air dryers only managed 75 centimeters (2.5 feet) and hand towels just 25 centimeters (10 inches).