MeaslesMeasles virusMeasles VaccineDisease EradicationHelicobacter InfectionsHelicobacter pyloriAmoxicillinClarithromycinMeasles-Mumps-Rubella VaccineOmeprazoleAnti-Ulcer AgentsPoliomyelitisImmunization ProgramsSubacute Sclerosing PanencephalitisMorbillivirusMetronidazoleBismuth2-PyridinylmethylsulfinylbenzimidazolesDrug Therapy, CombinationAnti-Bacterial AgentsDisease OutbreaksVaccinationTinidazoleLansoprazoleAntigens, CD46Duodenal UlcerMumpsWorld HealthAntibodies, ViralPoliovirus Vaccine, OralProton Pump InhibitorsRubellaDyspepsiaFurazolidonePoliovirus VaccinesPeptic UlcerMumps VaccineRanitidineSmallpoxPopulation SurveillanceDracunculiasisImmunization ScheduleMass VaccinationHemagglutinins, ViralAmericasBreath TestsRabeprazolePan American Health OrganizationRubella VaccineGastritisPenicillinsAntacidsDracunculus NematodeMumps virusRubella virusTreatment OutcomeCommunicable Disease ControlWorld Health OrganizationAntitrichomonal AgentsDisease NotificationSulfoxidesVero CellsGastric MucosaPoliovirus Vaccine, InactivatedPoliovirusStomach UlcerGuinea-BissauTetracyclineAnti-Infective AgentsIncidenceGastroscopyViral Fusion ProteinsLymphoma, B-Cell, Marginal ZoneNigerTravelDistemper Virus, CanineCercopithecus aethiopsVaccines, CombinedStomach NeoplasmsLevofloxacinOrganometallic CompoundsImmunoglobulin GTime FactorsBenzimidazolesAfricaNucleoproteinsSeroepidemiologic StudiesChadImmunoglobulin MMetaplasiaHistamine H2 AntagonistsImmunity, HerdOfloxacinEndemic DiseasesAzithromycinGastritis, AtrophicSudanEndoscopy, GastrointestinalViral ProteinsRubella Syndrome, Congenital