Think of how many things you touch every day with your hands. These things might seem clean, but in reality we know that bacteria and viruses are present. Your hands play a major role in the spread of germs that cause illness. Washing your hands is the single most important way to prevent illness.
Handwashing, when done correctly, is the single most effective way to prevent the spread of communicable diseases. That includes foodborne illness. Food handlers need to wash their hands when needed and to wash them well whenever they do.
Everybody can help in preventing the spread of illness. In addition to washing your hands, cough and sneeze into a tissue or your sleeve, stay home if you are sick, keep commonly touched surfaces clean and get immunized.
Your hands play a major role in the spread of germs that can cause illness. Handwashing is the best way to prevent illness; it removes germs before they can spread.