Which method prevent communicable diseases?

a. disease diagnosis
b. hospitalization
c. immunization exemptions
d. mandatory vaccinations

The asnwer is D. Mandatory vaccinations.

Explanation:

Mandatory vaccines have helped public health to control infectious and contagious diseases. There are mandatory application of immunization protocols in the countries, said protocol is applied from the moment of the person's birth to 5 years of age, with subsequent reinforcements. There are other vaccines of free application but equally important its application to avoid the appearance of some specific diseases, such as communicable diseases.

d. everyone should be treated fairly.