title: Challenges faced by the global polio eradication initiative.
authors.forename: Steven
authors.initials: S
authors.lastname: Wassilak
authors.forename: Walter
authors.initials: W
authors.lastname: Orenstein
mesh_terms: D004196:Disease Outbreaks / Q000517:prevention & control*; D006801:Humans; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control* / Q000635:transmission; D023321:Poliovirus Vaccines / Q000276:immunology*; D017211:Treatment Failure; D014611:Vaccination
chemical_list: D023321:Poliovirus Vaccines