Question

At what age would it be most effective to be vaccinated against meningitis?
Choose one:
A. Vaccination is best at age 23, because this is the last opportunity for vaccine to be effective.
B. You should not get vaccinated, as vaccines are not effective.
C. Being vaccinated at age 19 or younger is most effective.
D. There is no difference in effectiveness if you are vaccinated before you turn 19 or after you turn 20.

Answer 1

C. Being vaccinated at age 19 or younger is most effective.