Penicillin ResistancePenicillinsPenicillin GAcylationPenicillin VStreptococcus pneumoniaePenicillin-Binding ProteinsPneumococcal InfectionsAnti-Bacterial AgentsMicrobial Sensitivity TestsPenicillin G ProcaineMuramoylpentapeptide CarboxypeptidasePenicillin AmidaseHexosyltransferasesPeptidyl TransferasesDrug Resistance, MicrobialDrug Resistance, BacterialPenicillin G BenzathinePenicillinaseNeisseria gonorrhoeaeLactamsAminoacyltransferasesSerotypingDrug Resistance, MultipleBacterial ProteinsErythromycinDrug ResistanceAmpicillinStreptococcal Infectionsbeta-LactamasesDrug Resistance, Multiple, BacterialMacrolidesTransformation, BacterialCefotaximeTetracyclineStreptococcusOxacillinbeta-LactamsNasopharynxCarrier ProteinsPneumococcal VaccinesPneumonia, PneumococcalMoraxella (Branhamella) catarrhalisStaphylococcusTransformation, GeneticDrug Resistance, NeoplasmR FactorsDNA, BacterialMolecular Sequence DataStaphylococcus aureusMutationGenes, BacterialCephalosporinsCarrier StateNeisseria meningitidisRespiratory Tract InfectionsElectrophoresis, Gel, Pulsed-FieldPlasmidsDisease ResistanceCommunity-Acquired InfectionsCulture MediaBacteriaSpainHaemophilus influenzaeVascular ResistanceBacteremiaDrug Resistance, ViralMolecular EpidemiologyDNA FingerprintingAmino Acid SequenceGonorrheaCloxacillinEscherichia coliTetracycline ResistancePolymerase Chain ReactionDrug HypersensitivityCeftriaxoneBase SequenceSpectinomycinAcremoniumStreptomycinBacterial Typing TechniquesGentamicinsbeta-Lactam ResistanceAcyltransferasesCephaloridineAmpicillin ResistancePharyngitisClindamycinCarbenicillinCephalothinChloramphenicolAnti-Infective AgentsPenicilliumPopulation SurveillancePeptidoglycanKineticsProteusPenicillanic AcidPrevalence