Penicillin ResistancePenicillinsPenicillin GPenicillin VStreptococcus pneumoniaePenicillin G ProcainePenicillin-Binding ProteinsPenicillin AmidasePneumococcal InfectionsAnti-Bacterial AgentsMicrobial Sensitivity TestsMuramoylpentapeptide CarboxypeptidasePenicillin G BenzathineHexosyltransferasesPeptidyl TransferasesDrug Resistance, MicrobialPenicillinaseDrug Resistance, BacterialNeisseria gonorrhoeaeLactamsSerotypingAminoacyltransferasesAmpicillinErythromycinStreptococcal InfectionsBacterial ProteinsDrug Resistance, Multiplebeta-LactamasesDrug ResistanceDrug Resistance, Multiple, BacterialCefotaximeMacrolidesStreptococcusOxacillinTetracyclinebeta-LactamsTransformation, BacterialNasopharynxCarrier ProteinsPneumococcal VaccinesPneumonia, PneumococcalStaphylococcusCephalosporinsMoraxella (Branhamella) catarrhalisTransformation, GeneticDNA, BacterialR FactorsDrug Resistance, NeoplasmStaphylococcus aureusNeisseria meningitidisCarrier StateMutationGenes, BacterialMolecular Sequence DataRespiratory Tract InfectionsElectrophoresis, Gel, Pulsed-FieldCulture MediaCommunity-Acquired InfectionsBacteriaPlasmidsCloxacillinGonorrheaHaemophilus influenzaeDrug HypersensitivityDisease ResistanceSpainBacteremiaCeftriaxoneAcremoniumVascular ResistanceSpectinomycinDrug Resistance, ViralDNA FingerprintingGentamicinsStreptomycinMolecular EpidemiologyCephaloridineTetracycline ResistancePharyngitisEscherichia coliPolymerase Chain ReactionCarbenicillinClindamycinCephalothinAmpicillin ResistancePenicilliumbeta-Lactam ResistanceBacterial Typing TechniquesAmino Acid SequenceBase SequenceChloramphenicolPeptidoglycanProteusTonsillitisAnti-Infective AgentsEndocarditis, BacterialAmoxicillinNeurosyphilisPenicillanic AcidProbenecid