title: Polio case in Darfur sparks fears of epidemic in west and central Africa.
mesh_terms: D000350:Africa, Central / Q000453:epidemiology; D000354:Africa, Western / Q000453:epidemiology; D002648:Child; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D017589:Immunization Programs; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*; D013397:Sudan