Meningococcal VaccinesNeisseria meningitidis, Serogroup CMeningococcal InfectionsMeningitis, MeningococcalVaccines, ConjugateNeisseria meningitidisVaccinationNeisseria meningitidis, Serogroup AClinical Trials, Phase IV as TopicAntibodies, BacterialImmunity, HerdNeisseria meningitidis, Serogroup W-135Neisseria meningitidis, Serogroup YImmunization, SecondaryImmunization ScheduleSerum Bactericidal Antibody AssaySerotypingLicensureBacterial VaccinesPolysaccharides, BacterialPneumococcal VaccinesDisease OutbreaksNeisseria meningitidis, Serogroup BBlood Bactericidal ActivityImmunization ProgramsHaemophilus VaccinesVaccinesDiphtheria-Tetanus-acellular Pertussis VaccinesCarrier StateVaccines, CombinedPneumococcal InfectionsMass VaccinationBacterial CapsulesTetanus ToxoidStreptococcus pneumoniaeImmunoglobulin GHaemophilus influenzae type bVaccines, InactivatedViral VaccinesVaccines, SyntheticDiphtheria ToxoidVaccines, DNANasopharynxStreptococcal VaccinesAntigens, BacterialDiphtheria-Tetanus-Pertussis VaccinePoliovirus Vaccine, InactivatedHepatitis B VaccinesAIDS VaccinesSerum Bactericidal TestHaemophilus InfectionsVaccines, SubunitNeisseria lactamicaPapillomavirus Vaccines