Is it necessary to give a 3 years old polio drops?

Q: I am confused regarding polio vaccination. Is it necessary to give a child who is 3 years now constantly the polio drops? In India, this year 2005, I think there were twice the vaccination was to be given. Is it necessary to give it every time they have a vaccination round all over the country?

A:Yes, till the child attains the age of five years, please give the polio drops as per the campaigns advised in your area.