Researchers swabbed a bunch of different surfaces in New York City to see the amount of bacteria on them. They also swabbed coins, cash, and credit cards since we handle those daily.
A fast food door handle was found NUMBER ONE on the list beating out all of the following:
2. A park bench.
3. A parking meter.
4. A credit card.
5. A public bathroom.
8. A subway pole.
Wash your hands after picking up that burger! Read more on the full study here.