Answer:
C) Vaccination education
Explanation:
Train and educate the people is the best method available in order to prevent several public problematics or events of different kinds, in the health field, the avoidance of the communicable diseases can be obtained with proper knowledge about it, a product of previous capacitation.
There are different kinds of communicable diseases (viral, sexual, etc) and basically informing and capacitating the people about the topic from all the points and perspectives, will definitely impact the probability to contract one of those diseases. Since the education provided to the subject will work to take all the measures to avoid be contracted with the illness, vaccination as the most important one, self-care, mouth-caps, avoiding places with high contamination or virus as hospitals, etc).