Streptococcus pneumoniaeStreptococcusPneumococcal InfectionsKlebsiella pneumoniaeStreptococcus pyogenesStreptococcus mutansMycoplasma pneumoniaePneumonia, PneumococcalAnti-Bacterial AgentsMicrobial Sensitivity TestsStreptococcal InfectionsDrug Resistance, BacterialStreptococcus agalactiaeBacterial ProteinsPenicillin ResistanceDrug Resistance, MicrobialNasopharynxSerotypingStreptolysinsMeningitis, PneumococcalStreptococcus mitisBacterial CapsulesPneumococcal VaccinesPenicillinsErythromycinAnti-Infective AgentsFluoroquinolonesStreptococcus oralisDNA, BacterialStreptococcus suisMacrolidesStreptococcus PhagesN-Acetylmuramoyl-L-alanine AmidaseDrug ResistanceDrug Resistance, Multiple, BacterialHaemophilus influenzaeMolecular Sequence DataStreptococcus bovisOtitis MediaGenes, BacterialKlebsiella InfectionsTransformation, BacterialAntibodies, BacterialKetolidesPneumonia, MycoplasmaCefotaximeCarrier StateStreptococcus equiDrug Resistance, MultiplePolysaccharides, BacterialPenicillin-Binding ProteinsMoraxella (Branhamella) catarrhalisLevofloxacinDNA Topoisomerase IVCeftriaxoneOfloxacinMutationStreptococcus sobrinusRespiratory Tract InfectionsAminoacyltransferasesNaphthyridinesCephalosporinsGram-Positive BacteriaBacteremiaAntigens, BacterialVirulenceColony Count, MicrobialSequence Analysis, DNAGene Expression Regulation, BacterialMeningitis, BacterialDNA GyrasePolymerase Chain ReactionPneumonia, BacterialBacterial AdhesionStreptococcal VaccinesVaccines, ConjugateCommunity-Acquired InfectionsStreptococcus gordoniiEnterococcus faecalisAza CompoundsChlamydophila InfectionsElectrophoresis, Gel, Pulsed-FieldBacterial Typing TechniquesHexosyltransferasesStreptococcus thermophilusBacteriaCiprofloxacinAmino Acid SequenceDrug Resistance, NeoplasmPeptidyl TransferasesBase SequenceChloramphenicol ResistanceQuinolonesCulture MediaCephalosporin ResistanceMuramoylpentapeptide CarboxypeptidaseTetracycline Resistance