Review all of the milestones on the long road to the eradication of polio, a goal we are close to reaching.
We can’t stop vaccinating against polio until it has been eradicated.
The benefits of getting vaccinated against polio clearly outweigh the risks.
DDT is a pesticide that was widely used after World War II and was sometimes sprayed in a vain attempt to keep polio outbreaks from getting out of control. That is the only connection to polio though.