Rare Vaccine-Derived Polio Discovered in 2 Countries

Cases of paralysis caused by mutating polio vaccine have been found in South Sudan and Madagascar, the World Health Organization said Friday.

Source: NYT Health - November 15, 2014 Category: Consumer Health News Authors: By DONALD G. McNEIL Jr. Tags: Poliomyelitis Pakistan Madagascar South Sudan Afghanistan Vaccination and Immunization World Health Organization Source Type: news