title: Polio eradication on track despite problems.
authors.forename: Kath
authors.initials: K
authors.lastname: Senior
mesh_terms: D000346:Afghanistan; D002648:Child; D005260:Female; D006801:Humans; D017589:Immunization Programs / Q000191:economics*; D011051:Poliomyelitis / Q000517:prevention & control*; D014611:Vaccination