“”have shown no causal relationship “”
For their studies, they never do!!! Makes it so convenient.
If you were born within that 8 year time frame..you may have gotten it
http://children.webmd.com/vaccines/polio-vaccine-ipv
Who Needs the Polio Vaccine
Most people should get the polio vaccine when they are children. Children should be vaccinated with four doses of IPV at the following ages:
A dose at 2 months
A dose at 4 months
A dose at 6-18 months
A booster dose at 4-6 years
IPV may be given at the same time as other vaccinations