Meningococcal VaccinesMeningococcal InfectionsMeningitis, MeningococcalVaccinationNeisseria meningitidisVaccines, ConjugateNeisseria meningitidis, Serogroup CBlood Bactericidal ActivityAntibodies, BacterialImmunization ScheduleTetanus ToxoidPolysaccharides, BacterialMass VaccinationNeisseria meningitidis, Serogroup BNeisseria meningitidis, Serogroup ANeisseria meningitidis, Serogroup W-135Bacterial VaccinesInfluenza VaccinesImmunization ProgramsImmunization, SecondaryNeisseria lactamicaNeisseria meningitidis, Serogroup YSerotypingDisease OutbreaksCarrier StateImmunity, HerdVaccinesBacterial Outer Membrane ProteinsPorinsHepatitis B VaccinesAntigens, BacterialInfluenza, HumanBacterial CapsulesPapillomavirus VaccinesVaccines, CombinedSmallpoxImmunoglobulin GPneumococcal VaccinesSerum Bactericidal Antibody AssayVaccines, DNASmallpox VaccineCancer VaccinesTransferrin-Binding ProteinsViral VaccinesAntibodies, ViralMeasles VaccineDiphtheria ToxoidNigerVaccines, SyntheticBCG VaccinePurpuraMeaslesDiphtheria-Tetanus-acellular Pertussis VaccinesSerum Bactericidal TestDiphtheria-Tetanus-Pertussis VaccineNeisseriaEnzyme-Linked Immunosorbent AssayMeasles-Mumps-Rubella VaccineInfant, NewbornNasopharynxHaemophilus VaccinesIncidenceImmunizationPopulation SurveillancePharynxAdjuvants, ImmunologicVaccines, AttenuatedAntibody FormationBacterial ProteinsBacteremiaVaccines, InactivatedHepatitis A VaccinesVaccines, SubunitUnited StatesRubella VaccineTetanusChickenpox VaccineSulfadiazineInfluenza A Virus, H1N1 SubtypeCross ReactionsBurkina FasoMice, Inbred BALB CSaudi ArabiaComplement C7SeasonsInjections, IntradermalTime FactorsChadDiphtheriaComplement System ProteinsPoliovirus Vaccine, InactivatedInjections, IntramuscularAdministration, IntranasalAnniversaries and Special EventsPertussis VaccineShock, SepticDisease NotificationHaemophilus influenzae type bCerebrospinal FluidWhooping Cough