The best way to prevent colds, flu and many other infectious diseases? Washing your hands!
Here’s the get-clean lowdown from the University of California, Berkeley, Wellness Letter.
1. Count to 20 Lather up with soap and rub all surfaces of your hands together for 20 seconds–the time it takes to sing “Happy Birthday” twice. The whole process, from washing to drying your hands, should take 40 to 60 seconds.

2. Dry’em Make sure your hands are fully dry after washing. Wet hands are more likely to transfer bacteria to and from the next surface you touch.

3. Sanitize Hand washing is generally the best way to de-germ hands, but alcohol-based hand sanitizers are a convenient option.

4. There’s the rub Soap, water snd rubbing loosen dirt and help germs slide off hands.
Source: Remedy’s Healthy Living Winter 2011