Viridans StreptococciStreptococcusStreptococcus pneumoniaeStreptococcal InfectionsStreptococcus mutansStreptococcus sanguisStreptococcus pyogenesPneumococcal InfectionsStreptococcus oralisStreptococcus mitisEndocarditis, BacterialStreptococcaceaeStreptococcus agalactiaeEndocarditis, Subacute BacterialMouthAnti-Bacterial AgentsPolyanetholesulfonatePenicillin ResistanceMicrobial Sensitivity TestsKlebsiella pneumoniaeBacterial ProteinsPneumonia, PneumococcalPenicillinsMycoplasma pneumoniaeStreptococcus suisStreptococcus bovisBacteremiaBloodDNA, BacterialSerotypingStreptolysinsNasopharynxStreptococcus PhagesMeningitis, PneumococcalCulture MediaStreptococcus equiErythromycinDrug Resistance, BacterialBacteriological TechniquesBacterial CapsulesFluoroquinolonesAnti-Infective AgentsPneumococcal VaccinesBacterial Typing TechniquesStreptococcus sobrinusSpecies SpecificityMacrolidesDrug Resistance, MicrobialStreptococcus gordoniiStaphylococcusSepsisN-Acetylmuramoyl-L-alanine AmidaseStreptococcus thermophilusBacteria, AnaerobicMolecular Sequence DataPolysaccharides, BacterialGenes, BacterialAntibodies, BacterialEnterococcus faecalisHaemophilus influenzaeOtitis MediaGram-Positive BacteriaTransformation, BacterialKetolidesAntigens, BacterialBacterial AdhesionCarrier StateCeftriaxoneLevofloxacinDNA Topoisomerase IVCefotaximeStreptococcal VaccinesNaphthyridinesMoraxella (Branhamella) catarrhalisOfloxacinVirulencePenicillin-Binding ProteinsPneumonia, MycoplasmaKlebsiella InfectionsAminoacyltransferasesMeningitis, BacterialSequence Analysis, DNANeutropeniaBacteriaCephalosporinsRespiratory Tract InfectionsGene Expression Regulation, BacterialColony Count, MicrobialAerococcusAdhesins, BacterialPharynxPharyngitisDNA GyrasePolymerase Chain ReactionVaccines, ConjugatePneumonia, BacterialStreptococcus intermediusHexosyltransferasesQuinolonesClindamycin