Which of the following is true of vaccinations?
a. Vaccinations are used to treat existing disease symptoms.
b. Vaccinations prevent the spread of communicable diseases.
c. Vaccinations are only given after the disease has been cured.
d. Vaccinations prevent the spread of noncommunicable diseases.

Respuesta :

a) and b) are the answers. vaccinations are given before the diseases come to the body

a) and b) are the answers. vaccinations are given before the diseases come to the body