Streptococcus pneumoniaeStreptococcusStreptococcus pyogenesPneumococcal InfectionsStreptococcus mutansStreptococcus agalactiaeStreptococcal InfectionsKlebsiella pneumoniaePneumonia, PneumococcalMycoplasma pneumoniaeBacterial ProteinsStreptococcus mitisStreptococcus suisAnti-Bacterial AgentsMicrobial Sensitivity TestsSerotypingStreptolysinsStreptococcus oralisPenicillin ResistanceNasopharynxStreptococcus bovisStreptococcus PhagesMeningitis, PneumococcalStreptococcus equiBacterial CapsulesDrug Resistance, BacterialPneumococcal VaccinesStreptococcus sobrinusErythromycinPenicillinsDNA, BacterialAnti-Infective AgentsFluoroquinolonesMacrolidesStreptococcus gordoniiDrug Resistance, MicrobialN-Acetylmuramoyl-L-alanine AmidaseStreptococcus thermophilusAntibodies, BacterialHaemophilus influenzaePolysaccharides, BacterialOtitis MediaMolecular Sequence DataGenes, BacterialTransformation, BacterialKetolidesEnterococcus faecalisAntigens, BacterialCarrier StateCefotaximeGram-Positive BacteriaStreptococcal VaccinesBacterial AdhesionMoraxella (Branhamella) catarrhalisCeftriaxoneKlebsiella InfectionsPenicillin-Binding ProteinsPneumonia, MycoplasmaLevofloxacinMeningitis, BacterialAminoacyltransferasesDNA Topoisomerase IVVirulenceBacteremiaOfloxacinColony Count, MicrobialRespiratory Tract InfectionsMouthGene Expression Regulation, BacterialNaphthyridinesCulture MediaCephalosporinsBacteriaBacterial Typing TechniquesPharynxPharyngitisSequence Analysis, DNABacteriological TechniquesPneumonia, BacterialVaccines, ConjugateStreptococcus intermediusAdhesins, BacterialHexosyltransferasesPolymerase Chain ReactionDental PlaqueAza CompoundsCommunity-Acquired InfectionsDrug Resistance, Multiple, BacterialDNA GyraseElectrophoresis, Gel, Pulsed-FieldAmino Acid SequencePeptidyl TransferasesMutationMuramoylpentapeptide CarboxypeptidaseBase SequenceOpsonin ProteinsBloodGram-Negative BacteriaBacteriolysisCiprofloxacin