Streptococcus pneumoniaeViridans StreptococciStreptococcusPneumococcal InfectionsKlebsiella pneumoniaeStreptococcal InfectionsStreptococcus pyogenesStreptococcus mutansMycoplasma pneumoniaePneumonia, PneumococcalAnti-Bacterial AgentsStreptococcaceaeStreptococcus mitisMicrobial Sensitivity TestsStreptococcus agalactiaePenicillin ResistanceBacterial ProteinsStreptococcus oralisNasopharynxSerotypingStreptolysinsMeningitis, PneumococcalPenicillinsDrug Resistance, BacterialBacterial CapsulesErythromycinFluoroquinolonesAnti-Infective AgentsPneumococcal VaccinesStreptococcus bovisDNA, BacterialMacrolidesStreptococcus suisDrug Resistance, MicrobialEndocarditis, BacterialStreptococcus PhagesN-Acetylmuramoyl-L-alanine AmidaseHaemophilus influenzaeBacteremiaOtitis MediaStreptococcus sanguisGram-Positive BacteriaAntibodies, BacterialKlebsiella InfectionsMolecular Sequence DataPneumonia, MycoplasmaPolysaccharides, BacterialCeftriaxoneGenes, BacterialKetolidesLevofloxacinStreptococcus equiDNA Topoisomerase IVTransformation, BacterialCefotaximeCarrier StateNaphthyridinesMouthOfloxacinAerococcusMoraxella (Branhamella) catarrhalisPenicillin-Binding ProteinsStreptococcus gordoniiStreptococcus sobrinusCephalosporinsCulture MediaAminoacyltransferasesRespiratory Tract InfectionsBacterial AdhesionBacteriaBacteriological TechniquesAntigens, BacterialMeningitis, BacterialBacterial Typing TechniquesBloodSequence Analysis, DNAVirulencePneumonia, BacterialEnterococcus faecalisColony Count, MicrobialDNA GyraseStreptococcal VaccinesVaccines, ConjugatePolymerase Chain ReactionEndocarditis, Subacute BacterialQuinolonesChlamydophila InfectionsGene Expression Regulation, BacterialCommunity-Acquired InfectionsPenicillin GStreptococcus thermophilusAza CompoundsDrug Resistance, Multiple, BacterialCiprofloxacinGram-Negative BacteriaHexosyltransferasesAdhesins, BacterialPeptidyl TransferasesBacterial InfectionsElectrophoresis, Gel, Pulsed-Field