Various scientific studies over the years have shown that door handles are one of the most common harborers for harmful bacteria, E.Coli, Staphylococcus, Aureas, Fungus, and Viruses. Public building entrance doors and public restrooms are found to be the worst place with the highest concentration of these germs do to the sheer number of people entering and exiting. Even after washing your hands in a public restroom you will still re-contaminate your hands the second you grab the door handle to exit the restroom.
