title: Is polio becoming a global challenge?
authors.forename: Fikre
authors.initials: F
authors.lastname: Enquselassie
mesh_terms: D000346:Afghanistan; D060740:Disease Eradication; D004196:Disease Outbreaks / Q000517:prevention & control / Q000706:statistics & numerical data; D014943:Global Health; D006801:Humans; D009549:Nigeria; D010154:Pakistan; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control*; D012998:Somalia