This is because germs are spread from human-to-human contact, such as touching your fingers to your nose and eyes, shaking hands, touching objects that someone else picks up, and other such activities.
Just 20 seconds of soap and water rubbed on the hands will make a world of difference as we enter another flu season this winter.
Check out the CDC Web page 'Stopping the Spread of Germs at Home, Work & School' to learn more about how to stay healthy by hand washing and other such health-conscious activities that help to minimize the spread of germs.
And, learn the proper way to wash your hands at the Mayo Clinic article 'Hand washing: Do's and don'ts.'
It begins by stating: "Hand washing is an easy way to prevent infection. Understand when to wash your hands, how to properly use hand sanitizer and how to get your children into the habit.'
For additional information on the study, check out MicrobeWorld.org's 'Don't Get Caught Dirty Handed'.