The subway is crowded–and not just with people. Sharing your commute are trillions of invisible microbes. They’re on the seats, poles, ticket kiosks; pretty much on anything people hold, lean against, sneeze on, swipe, or bump into. “We’re constantly shedding bugs into our environment,” says Curtis Huttenhower, an associate professor at Harvard’s School of Public Health.
Jet-drying technology spreads infectious agents much further than paper towels, says a new study.
Using an air dryer might feel more sanitary than paper towels, because you don’t have to actually touch anything. But apparently that couldn’t be further from the truth.