CyclacillinPenicillin ResistancePenicillinsPenicillin GStreptococcus pneumoniaePenicillin VPneumococcal InfectionsPenicillin-Binding ProteinsAnti-Bacterial AgentsMicrobial Sensitivity TestsMuramoylpentapeptide CarboxypeptidaseDrug Resistance, MicrobialHexosyltransferasesPeptidyl TransferasesDrug Resistance, BacterialPenicillin G ProcainePenicillinasePenicillin AmidaseNeisseria gonorrhoeaePenicillin G BenzathineLactamsBacterial ProteinsAminoacyltransferasesSerotypingDrug ResistanceMolecular Sequence DataDrug Resistance, MultipleErythromycinDrug Resistance, Multiple, BacterialCarrier ProteinsTransformation, Bacterialbeta-LactamasesBase SequenceStreptococcal InfectionsMacrolidesAmpicillinMutationTetracyclineGenes, BacterialAmino AcidsNasopharynxPneumococcal VaccinesCefotaximeStreptococcusOxacillinDNA, BacterialTransformation, Geneticbeta-LactamsPlasmidsDrug Resistance, NeoplasmAmino Acid SequenceMoraxella (Branhamella) catarrhalisSequence Homology, Amino AcidPneumonia, PneumococcalR FactorsStaphylococcusCloning, MolecularPolymerase Chain ReactionStaphylococcus aureusCarrier StateRespiratory Tract InfectionsDisease ResistanceElectrophoresis, Gel, Pulsed-Field