Penicillin ResistancePenicillinsPenicillin GStreptococcus pneumoniaeDrug Resistance, MicrobialDrug Resistance, BacterialAnti-Bacterial AgentsMicrobial Sensitivity TestsPenicillin VPneumococcal InfectionsPenicillin-Binding ProteinsDrug ResistanceMuramoylpentapeptide CarboxypeptidaseHexosyltransferasesPeptidyl TransferasesDrug Resistance, MultipleDrug Resistance, Multiple, BacterialPenicillinasePenicillin G ProcaineDisease ResistanceNeisseria gonorrhoeaePenicillin AmidaseBacterial ProteinsDrug Resistance, NeoplasmTetracycline ResistanceErythromycinPenicillin G BenzathineLactamsGenes, BacterialDNA, BacterialPlant Diseasesbeta-LactamasesMolecular Sequence DataSerotypingPlasmidsTetracyclineR FactorsTransformation, BacterialMacrolidesAminoacyltransferasesVascular ResistanceAmpicillinMutationStreptococcal InfectionsDrug Resistance, ViralTransformation, GeneticCarrier ProteinsOxacillinbeta-LactamsCefotaximeStreptococcusStaphylococcusPolymerase Chain ReactionBase SequenceConjugation, GeneticElectrophoresis, Gel, Pulsed-FieldNasopharynxEscherichia coliPneumococcal VaccinesStaphylococcus aureusChloramphenicol ResistanceMoraxella (Branhamella) catarrhalisGenes, MDRPneumonia, PneumococcalAmino Acid SequenceSequence Analysis, DNAIntegronsGenes, PlantBacteriaStreptomycinbeta-Lactam ResistanceDNA Transposable ElementsCarrier StateAmpicillin ResistanceImmunity, InnateKanamycin ResistanceRespiratory Tract InfectionsSpainCulture MediaP-GlycoproteinCommunity-Acquired InfectionsKanamycinMolecular EpidemiologyDrug Resistance, FungalDNA FingerprintingHaemophilus influenzaeNeisseria meningitidisPhenotypeBacteremiaGentamicinsSpectinomycinAirway ResistanceCephalosporinsCloning, MolecularAminoglycosidesGenotypeBacterial Typing TechniquesThiamphenicolGene Transfer, HorizontalChloramphenicol