Streptococcus pneumoniaeStreptococcusPneumococcal InfectionsKlebsiella pneumoniaeStreptococcus pyogenesStreptococcus mutansMycoplasma pneumoniaePneumonia, PneumococcalBacterial ProteinsMicrobial Sensitivity TestsAnti-Bacterial AgentsStreptococcal InfectionsStreptococcus agalactiaePenicillin ResistanceNasopharynxStreptolysinsSerotypingVirulenceMeningitis, PneumococcalStreptococcus mitisMice, Inbred BALB CBacterial CapsulesPneumococcal VaccinesDrug Resistance, BacterialStreptococcus oralisPenicillinsStreptococcus suisFluoroquinolonesAnti-Infective AgentsErythromycinMolecular Sequence DataStreptococcus PhagesColony Count, MicrobialDNA, BacterialGenes, BacterialDisease Models, AnimalMacrolidesN-Acetylmuramoyl-L-alanine AmidaseDrug Resistance, MicrobialStreptococcus bovisVirulence FactorsHaemophilus influenzaeOtitis MediaGene Expression Regulation, BacterialAntibodies, BacterialKlebsiella InfectionsPneumonia, MycoplasmaKetolidesMice, Inbred C57BLStreptococcus equiTransformation, BacterialCefotaximePolysaccharides, BacterialCarrier StateMoraxella (Branhamella) catarrhalisLevofloxacinCeftriaxonePenicillin-Binding ProteinsDNA Topoisomerase IVMice, Inbred CBAMutationStreptococcus sobrinusAminoacyltransferasesRespiratory Tract InfectionsOfloxacinNaphthyridinesAntigens, BacterialCryptococcosisBacteremiaMeningitis, BacterialCephalosporinsGram-Positive BacteriaStaphylococcus aureusPneumonia, BacterialStreptococcal VaccinesMicrobial ViabilityBacterial AdhesionVaccines, ConjugateStreptococcus gordoniiListeria monocytogenesChlamydophila InfectionsListeriosisAza CompoundsCommunity-Acquired InfectionsStreptococcus thermophilusDrug Resistance, Multiple, BacterialPolymerase Chain ReactionLungGene DeletionDNA GyraseSequence Analysis, DNABorrelia burgdorferiLeishmania mexicanaBacterial Typing TechniquesHexosyltransferasesAmino Acid SequenceBase SequenceEnterococcus faecalisPeptidyl TransferasesElectrophoresis, Gel, Pulsed-Field