Poliovirus Vaccine, OralPoliovirus Vaccine, InactivatedPoliovirusPoliomyelitisPoliovirus VaccinesOmanVirus SheddingImmunization ScheduleImmunization ProgramsVaccinationAntibodies, ViralEgyptVaccines, CombinedVaccines, InactivatedParalysisAfghanistanVaccinesFecesInjections, JetDisease OutbreaksViral VaccinesVaccines, AttenuatedDiphtheria-Tetanus-Pertussis VaccineVaccines, SyntheticDiphtheria-Tetanus-acellular Pertussis VaccinesInfant, NewbornWorld HealthVaccines, DNABacterial VaccinesImmunization, SecondaryDrug ContaminationPopulation SurveillanceHepatitis B VaccinesHaemophilus VaccinesAIDS VaccinesCubaVaccines, SubunitVaccines, ConjugateNeutralization TestsRNA, ViralSewageInjections, IntradermalMass VaccinationInjections, IntramuscularMalaria Vaccines