Polio is back in Nigeria because Boko Haram kept kids from being vaccinated

Polio is back in Nigeria, just when the World Health Organization thought the virus might be gone completely. Two kids have been paralyzed by the virus for the first time in two years, the WHO announced today. Both live in northeastern Nigeria, where it has been hard to vaccinate kids because the area is controlled by terrorist group Boko Haram. The government is now preparing an emergency immunization program as researchers fear a possible outbreak.
Many people might be infected and don’t