Penicillin ResistancePenicillinsPenicillin GStreptococcus pneumoniaeDrug Resistance, MicrobialPenicillin VDrug Resistance, BacterialAnti-Bacterial AgentsPneumococcal InfectionsMicrobial Sensitivity TestsPenicillin-Binding ProteinsMuramoylpentapeptide CarboxypeptidaseDrug ResistanceHexosyltransferasesPeptidyl TransferasesPenicillin G ProcainePenicillinaseDrug Resistance, MultiplePharmacologyPenicillin AmidaseNeisseria gonorrhoeaePharmacology, ClinicalDrug Resistance, Multiple, BacterialDrug Resistance, NeoplasmPenicillin G BenzathineLactamsBacterial ProteinsSerotypingAminoacyltransferasesErythromycinDisease ResistanceVascular Resistancebeta-LactamasesMacrolidesTransformation, BacterialTetracyclineDrug Resistance, ViralAmpicillinStreptococcal InfectionsMutationCarrier ProteinsR FactorsOxacillinCefotaximeMolecular Sequence DataNasopharynxbeta-LactamsDNA, BacterialStreptococcusPneumococcal VaccinesTransformation, GeneticGenes, BacterialStaphylococcusMoraxella (Branhamella) catarrhalisPneumonia, PneumococcalTetracycline ResistanceStaphylococcus aureusPlasmidsElectrophoresis, Gel, Pulsed-FieldCarrier StateRespiratory Tract InfectionsCommunity-Acquired InfectionsPlant DiseasesPolymerase Chain ReactionNeisseria meningitidisbeta-Lactam ResistanceSpainCulture MediaBacteriaAmino Acid SequenceBase SequenceHaemophilus influenzaeDrug Resistance, FungalAirway ResistanceBacteremiaEscherichia coliCephalosporinsMolecular EpidemiologyDNA FingerprintingAmpicillin ResistanceStreptomycinResistance TrainingChloramphenicol ResistanceBacterial Typing TechniquesPhenotypeAnti-Infective AgentsCephalosporin ResistanceGentamicinsImmunity, InnateP-GlycoproteinTime FactorsSpectinomycinConjugation, GeneticMethicillin ResistanceSequence Analysis, DNADose-Response Relationship, DrugGonorrheaGenotypeChloramphenicolPrevalence