15. Bathroom stall locks
Another germ-infested surface you’ll probably encounter at the airport? The lock on your bathroom stall. Travelmath found that these little pieces of hardware have 70 colony-forming units per square inch. Even at airports where the bathrooms get cleaned frequently, we’d venture to guess that the stall locks aren’t exactly a focus for the cleaning crew.
But, as you’ve probably learned to do in an airplane bathroom, you can touch the stall locks using a paper towel. That way, you’ll reduce your exposure to the bacteria that lurk on those surfaces, viable to infect unsuspecting travelers.
Read More: 15 Secrets Airlines Don’t Want You to Know