(HealthDayNews) -- Hand washing, correctly done, can easily prevent the spread of communicable disease. The better you wash, the more likely you are to remove even tiny particles that, if allowed to get into your mouth, could make you seriously ill.
Wisconsin's Department of Health and Human Services has published a four-point guide to hand washing. The steps are:
The soap's job is to suspend dirt and germs so they can be washed away. Using very warm water is important because its warmth opens your pores, allowing you to clear out more dirt and germs.