PoliomyelitisPoliovirus Vaccine, OralPoliovirusPoliovirus Vaccine, InactivatedPoliovirus VaccinesPostpoliomyelitis SyndromeParalysisMuscle HypotoniaImmunization ProgramsDisease OutbreaksAfghanistanAngolaVaccinationPopulation SurveillanceDisease EradicationImmunization ScheduleTetanusDiphtheriaAsia, CentralWorld HealthEnterovirusMediterranean RegionDiphtheria ToxoidAmericasTajikistanPoliomyelitis, BulbarPakistanAlbaniaIndiaWorld Health OrganizationAsia, SoutheasternIncidenceSomaliaAntibodies, ViralCrutchesLactate dehydrogenase-elevating virusEnterovirus C, HumanFecesMass VaccinationDemocratic Republic of the CongoAfrica, SouthernSudanDiphtheria-Tetanus-Pertussis VaccineHistory, 20th CenturyCubaPan American Health OrganizationCzechoslovakiaNigeria