Meningococcal VaccinesMeningococcal InfectionsMeningitis, MeningococcalNeisseria meningitidisVaccines, ConjugateNeisseria meningitidis, Serogroup CBlood Bactericidal ActivityBacteriaAntibodies, BacterialImmunization ScheduleTetanus ToxoidPolysaccharides, BacterialVaccinationNeisseria meningitidis, Serogroup BNeisseria meningitidis, Serogroup ANeisseria meningitidis, Serogroup W-135Gram-Negative BacteriaGram-Positive BacteriaNeisseria lactamicaNeisseria meningitidis, Serogroup YBacterial ProteinsBacterial VaccinesBacteria, AnaerobicSerotypingDNA, BacterialBacterial Outer Membrane ProteinsCarrier StateMolecular Sequence DataPorinsAntigens, BacterialBacterial CapsulesRNA, Ribosomal, 16SDisease OutbreaksPhylogenyImmunity, HerdBacteria, AerobicSequence Analysis, DNATransferrin-Binding ProteinsSerum Bactericidal Antibody AssayEscherichia coliNeisseriaAnti-Bacterial AgentsPurpuraDNA, RibosomalNigerGenes, BacterialSerum Bactericidal TestBacterial Typing TechniquesBacteremiaImmunization, SecondaryWater MicrobiologyGene Expression Regulation, BacterialPharynxBacterial AdhesionAmino Acid SequenceNasopharynxMicrobial ViabilityColony Count, MicrobialSulfadiazineGram-Negative Aerobic BacteriaImmunoglobulin GGram-Negative Anaerobic BacteriaBacterial Physiological PhenomenaSepsisLipopolysaccharidesPolymerase Chain ReactionCulture MediaSoil MicrobiologyBase SequenceGenome, BacterialComplement System ProteinsMass VaccinationComplement C7Vaccines, CombinedDiphtheria ToxoidShock, SepticSulfur-Reducing BacteriaCerebrospinal FluidBurkina FasoSaudi ArabiaRNA, BacterialSeawaterNeisseria gonorrhoeaeSpecies SpecificityMeningitisEnzyme-Linked Immunosorbent AssayBacteriological TechniquesIron-Binding ProteinsTransferrin-Binding Protein BAnniversaries and Special EventsMicrobial Sensitivity TestsInfant, NewbornPenicillin GCross ReactionsAnaerobiosisImmunization ProgramsGenes, rRNAFimbriae, BacterialSymbiosisVirulence