Question

Question 16
You are aware of Polio Eradication Programme in your city. Children are vaccinated because

(a) vaccination kills polio causing microorganisms
(b) prevents the entry of polio causing organism
(c) it creates immunity in the body
(d) all the above

Answer 1

(c) it creates immunity in the body

Children are vaccinated because it creates immunity in the body.

When the immune system first sees an infectious microbe, it responds against it and then remembers it specifically.

So the next time that particular microbe or its close relatives enter the body, the immune system responds with even greater vigor.

This eliminates the infection even more quickly than the first time around, which is the principle of vaccination.