Neisseria meningitidis, Serogroup YNeisseria meningitidis, Serogroup W-135Neisseria meningitidisNeisseria meningitidis, Serogroup ANeisseria meningitidis, Serogroup CMeningitis, MeningococcalMeningococcal InfectionsNeisseriaNeisseria gonorrhoeaeMeningococcal VaccinesNeisseria meningitidis, Serogroup BSerotypingNeisseria lactamicaBacterial Outer Membrane ProteinsBacterial CapsulesAntibodies, BacterialAntigens, BacterialBlood Bactericidal ActivityGonorrheaPorinsBacterial ProteinsPolysaccharides, BacterialDNA, BacterialCarrier StateTransferrin-Binding ProteinsTransferrin-Binding Protein BMolecular Sequence DataNeisseriaceae InfectionsGenes, BacterialMeningitis, BacterialAgglutination TestsFimbriae ProteinsLipopolysaccharidesBacterial VaccinesVaccines, ConjugateFimbriae, BacterialCerebrospinal FluidSerum Bactericidal Antibody AssaySulfadiazineNasopharynxBacterial AdhesionBacterial Typing TechniquesNeisseriaceaeNeisseria cinereaIron-Binding ProteinsLegionellaAntigenic VariationCross ReactionsEscherichia coliSequence Analysis, DNAVirulenceBase SequenceHaemophilus influenzaeDisease OutbreaksPenicillin ResistanceAmino Acid SequencePharynx