How to Get Out of the Bathroom Germ-Free
Use paper towels to turn off the facet and open the door.
May 24, 2011 -- Gather paper towels BEFORE you wash your hands. When you are finished, use the paper towel to turn off the water. Touching a dirty faucet or the lever on a paper towel dispenser will reintroduce germs to your hands.
Source: Livestrong.com