Vaccines, ConjugateCholeraPneumococcal VaccinesCholera ToxinMeningococcal VaccinesVaccinesHaemophilus VaccinesPneumococcal InfectionsCholera VaccinesBacterial VaccinesVaccines, CombinedStreptococcus pneumoniaeAntibodies, BacterialVaccines, InactivatedVaccinationTetanus ToxoidImmunization ScheduleViral VaccinesVaccines, SyntheticSerotypingHaemophilus influenzae type bDiphtheria ToxoidPolysaccharides, BacterialVaccines, DNABacterial CapsulesStreptococcal VaccinesImmunization, SecondaryNeisseria meningitidis, Serogroup CNasopharynxMeningitis, MeningococcalImmunity, HerdAIDS VaccinesPoliovirus Vaccine, InactivatedHaemophilus InfectionsMeningococcal InfectionsDiphtheria-Tetanus-Pertussis VaccineNeisseria meningitidis, Serogroup AVaccines, SubunitImmunoglobulin GVibrio choleraePneumonia, PneumococcalNeisseria meningitidisCarrier StateOtitis MediaHepatitis B VaccinesImmunizationMalaria VaccinesMeningitis, PneumococcalTyphoid-Paratyphoid VaccinesPertussis VaccinePapillomavirus VaccinesStaphylococcal VaccinesDiphtheria-Tetanus-acellular Pertussis VaccinesImmunization ProgramsOpsonin ProteinsAdjuvants, ImmunologicBlood Bactericidal ActivityMeasles VaccineDiphtheria-Tetanus VaccineHaemophilus influenzaeMass VaccinationLicensureAlum CompoundsFungal VaccinesBCG VaccineNeisseria meningitidis, Serogroup YAntibodies, ViralRabies VaccinesRotavirus VaccinesEnzyme-Linked Immunosorbent AssayStreptococcus agalactiaeMice, Inbred BALB CAdministration, IntranasalIncidenceAntibody FormationChild Day Care CentersSmallpox VaccineShigella VaccinesVibrio cholerae O1Neisseria meningitidis, Serogroup W-135Tuberculosis VaccinesChickenpox VaccineAntibody AffinityInfant, NewbornMumps VaccineAntigens, BacterialHepatitis A VaccinesGambiaHemocyaninMeasles-Mumps-Rubella VaccinePopulation SurveillanceUnited StatesImmunologic MemoryMeningitis, HaemophilusAnthrax VaccinesDengue VaccinesFijiVaccines, VirosomeMoraxellaceae InfectionsDisease Outbreaks