Question

Vaccinations are effective in combating future infections because they induce the production of:

a. Helper T cells
b. Neutrophils
c. Prostaglandins
d. Mutations in the host
d. Memory cells

Answer 1

a. Helper T cells

Step-by-step explanation:

Vaccines help develop immunity by imitating an infection. This

type of infection, however, almost never causes illness, but it

does cause the immune system to produce T-lymphocytes and antibodies.