Penicillin ResistancePenicillinsPenicillin GPenicillin VStreptococcus pneumoniaePneumococcal InfectionsPenicillin-Binding ProteinsAnti-Bacterial AgentsMicrobial Sensitivity TestsPenicillin G ProcaineMuramoylpentapeptide CarboxypeptidasePenicillin AmidaseHexosyltransferasesPeptidyl TransferasesDrug Resistance, MicrobialDrug Resistance, BacterialPenicillin G BenzathinePenicillinaseNeisseria gonorrhoeaeLactamsSerotypingAminoacyltransferasesDrug Resistance, MultipleErythromycinDrug ResistanceBacterial ProteinsAmpicillinStreptococcal InfectionsDrug Resistance, Multiple, Bacterialbeta-LactamasesMacrolidesTransformation, BacterialCefotaximeTetracyclineStreptococcusOxacillinbeta-LactamsNasopharynxPneumococcal VaccinesCarrier ProteinsPneumonia, PneumococcalMoraxella (Branhamella) catarrhalisStaphylococcusTransformation, GeneticDrug Resistance, NeoplasmR FactorsDNA, BacterialStaphylococcus aureusGenes, BacterialCarrier StateMutationCephalosporinsMolecular Sequence DataNeisseria meningitidisRespiratory Tract InfectionsElectrophoresis, Gel, Pulsed-FieldDisease ResistanceCommunity-Acquired InfectionsPlasmidsCulture MediaSpainHaemophilus influenzaeVascular ResistanceBacteriaBacteremiaDrug Resistance, ViralMolecular EpidemiologyDNA FingerprintingGonorrheaCloxacillinTetracycline ResistancePolymerase Chain ReactionDrug HypersensitivityCeftriaxoneSpectinomycinAcremoniumStreptomycinEscherichia coliBacterial Typing TechniquesGentamicinsBase SequenceAmino Acid Sequencebeta-Lactam ResistanceCephaloridineAmpicillin ResistancePharyngitisClindamycinCarbenicillinCephalothinChloramphenicolAnti-Infective AgentsPenicilliumPopulation SurveillancePeptidoglycanProteusPrevalenceCephalosporin ResistanceTonsillitisEndocarditis, BacterialAmoxicillin