The world is close to eradicating polio, but Nigeria, one of just three endemic countries in the world, stands in the way. Children in Nigeria continue to be needlessly paralyzed by a vaccine-preventable disease, and the virus from Nigeria has repeatedly jumped borders and has reinfected more than 20 countries that were previously polio-free. Science spent three days on the road with Nigeria’s then-minister of state for health, chronicling his surprisingly personal effort to finally chase the virus from his country.
