In 2012, only three countries (afghanistan, nigeria and pakistan) remain polio-endemic, down from more than 125 in 1988.
Polio cases have decreased by over 99% since 1988, from an estimated 350 000 cases then, to 1 352 reported cases in 2010. The recent news notes pakistan is rejecting polio vaccinations
due to paranoia
that it is tainted by the U.S.