Streptococcus pneumoniaePenicillin ResistancePenicillinsPneumococcal InfectionsStreptococcusPenicillin GAnti-Bacterial AgentsMicrobial Sensitivity TestsKlebsiella pneumoniaeStreptococcus pyogenesPenicillin-Binding ProteinsPneumonia, PneumococcalDrug Resistance, BacterialDrug Resistance, MicrobialStreptococcal InfectionsStreptococcus mutansBacterial ProteinsPenicillin VSerotypingMuramoylpentapeptide CarboxypeptidaseMycoplasma pneumoniaeNasopharynxHexosyltransferasesPeptidyl TransferasesStreptococcus agalactiaePneumococcal VaccinesErythromycinMacrolidesMeningitis, PneumococcalStreptolysinsAminoacyltransferasesDNA, BacterialTransformation, BacterialLactamsPenicillin G ProcaineCefotaximeStreptococcus mitisPenicillinaseDrug Resistance, Multiple, BacterialBacterial CapsulesMoraxella (Branhamella) catarrhalisAnti-Infective AgentsHaemophilus influenzaePenicillin AmidaseFluoroquinolonesNeisseria gonorrhoeaeCarrier StateGenes, BacterialDrug Resistance, MultipleMolecular Sequence DataStreptococcus oralisStreptococcus suisRespiratory Tract InfectionsPenicillin G Benzathinebeta-LactamasesStreptococcus PhagesN-Acetylmuramoyl-L-alanine AmidaseBacteremiaCarrier ProteinsCommunity-Acquired Infectionsbeta-LactamsCephalosporinsOtitis MediaCeftriaxoneElectrophoresis, Gel, Pulsed-FieldDrug ResistanceStreptococcus bovisMutationTetracyclineKetolidesKlebsiella InfectionsAmpicillinAntibodies, BacterialCulture MediaBacteriaPolymerase Chain ReactionPneumonia, MycoplasmaStaphylococcus aureusBacterial Typing TechniquesLevofloxacinStreptococcus equiPolysaccharides, BacterialOxacillinTransformation, GeneticDNA Topoisomerase IVOfloxacinStaphylococcusAmino Acid SequenceNaphthyridinesGram-Positive BacteriaBase SequencePlasmidsStreptococcus sobrinusEnterococcus faecalisColony Count, MicrobialSequence Analysis, DNAMeningitis, BacterialVirulenceAntigens, BacterialGene Expression Regulation, Bacterial