Why does the Incidence of Polio Vary? A comparative study of two districts in Helmand (Part 2)

In this second of two case studies exploring why polio vaccination varies between apparently quite similar districts in Afghanistan, we look at two neighbouring district in Helmand province, Nawa, with its rare incidences of polio since 2001, and Nad Ali, which has seen one of the highest numbers of polio cases in the country. A … Continue reading Why does the Incidence of Polio Vary? A comparative study of two districts in Helmand (Part 2)