StreptococcusStreptococcal InfectionsStreptococcus agalactiaeStreptococcus equiPharyngitisStreptococcus pyogenesSerotypingViridans StreptococciPharynxAntigens, BacterialLatex Fixation TestsAgglutination TestsStreptococcus sanguisHemolysisGentian VioletGram-Positive CocciEnterococcus faecalisRNA, Ribosomal, 16SDNA, BacterialBacterial Typing TechniquesBacterial ProteinsEvaluation Studies as TopicBacteriological TechniquesBacteremiaRNA, BacterialPhylogenySequence Analysis, DNAPrecipitin TestsCulture MediaGenes, rRNASpecies SpecificityDNA, RibosomalAnti-Bacterial AgentsMolecular Sequence DataMicrobial Sensitivity TestsPolysaccharides, BacterialStreptococcal VaccinesVaginaNeisseria meningitidisPregnancy Complications, InfectiousTreatment OutcomeBacterial CapsulesInfant, NewbornNeisseria meningitidis, Serogroup BInfant, Newborn, DiseasesTime FactorsProspective StudiesPregnancyAntibiotic ProphylaxisAntibodies, BacterialRetrospective StudiesABO Blood-Group SystemOpsonin ProteinsEnterovirus B, HumanMeningitisMeningitis, BacterialRectumMeningococcal InfectionsFollow-Up StudiesSepsisCarrier StateCockayne SyndromeRabbitsVaccines, ConjugateCounterimmunoelectrophoresisSialic AcidsCoxsackievirus InfectionsMeningitis, MeningococcalMeningococcal Vaccines