Can you help prevent diseases?
How can you prevent disease?
How can/do people around the world contribute to the prevention of the spread of diseases? One way people help prevent the spread of disease is by constantly washing their hands.
What diseases does this help prevent the spread of?
Washing your hands under warm water with soap for 20-30 seconds will help prevent the spread of the flu, common cold and other types of bacterial infections.
How is it enforced?
There may not be many ways to enforce this form of prevention, but there are ways of getting people to do it, stemming from anything from commercials to billboards with reminders on them.