Paratyphoid FeverTyphoid-Paratyphoid VaccinesPneumococcal VaccinesTyphoid FeverSalmonella paratyphi APneumococcal InfectionsMeningococcal InfectionsStreptococcus pneumoniaeMeningococcal VaccinesVaccines, ConjugateSalmonella paratyphi BMeningitis, MeningococcalBacterial VaccinesSalmonella typhiSalmonella paratyphi CVaccinesPneumonia, PneumococcalUSSRVaccinationSerotypingNeisseria meningitidisMeningitis, PneumococcalAntibodies, BacterialVaccines, InactivatedVaccines, CombinedViral VaccinesVaccines, SyntheticVaccines, DNANasopharynxAIDS VaccinesPolysaccharides, BacterialImmunization ScheduleTravelCarrier StateVaccines, SubunitStreptolysinsImmunization, SecondaryImmunization ProgramsBacteremiaImmunoglobulin GNeisseria meningitidis, Serogroup BHaemophilus VaccinesIncidenceBacterial CapsulesNeisseria meningitidis, Serogroup CMalaria VaccinesPopulation SurveillanceAntigens, BacterialPapillomavirus VaccinesEmpyemaSalmonellaImmunity, HerdImmunizationInfant, NewbornTetanus ToxoidNeisseria meningitidis, Serogroup AInfluenza, HumanHepatitis B VaccinesSplenectomyBacterial ProteinsOpsonin ProteinsInfluenza VaccinesMeasles VaccineDiphtheria ToxoidEnzyme-Linked Immunosorbent AssayAnti-Bacterial AgentsDrug Resistance, BacterialPoliovirus Vaccine, InactivatedPertussis VaccineNasopharyngitisBCG VaccineCholera VaccinesRabies VaccinesOtitis MediaNeisseria meningitidis, Serogroup W-135Antibody FormationRotavirus VaccinesUnited StatesDiphtheria-Tetanus-Pertussis VaccineMice, Inbred BALB CSmallpox VaccineAntibodies, ViralPenicillin ResistanceTuberculosis VaccinesChild, HospitalizedChickenpox Vaccine