how often should you get a polio booster
Children should be vaccinated with 4 doses of inactivated polio vaccine (IPV) at the following ages: 1  A dose at 2 months. 2  A dose at 4 months. 3  A dose at 6-18 months. 4  A booster dose at 4-6 years.dults in these three groups who have had 1 or 2 doses of polio vaccine in the past should get the remaining 1 or 2 doses. It doesnât matter how long it has been since the. earlier dose(s).