Penicillin ResistancePenicillinsDrug Resistance, BacterialAnti-Bacterial AgentsMicrobial Sensitivity TestsDrug Resistance, MicrobialPenicillin GStreptococcus pneumoniaeDrug Resistance, Multiple, BacterialDrug ResistancePneumococcal InfectionsPenicillin-Binding ProteinsPenicillin VDrug Resistance, MultipleDrug Resistance, NeoplasmMuramoylpentapeptide CarboxypeptidaseAnti-Infective AgentsPeptidyl TransferasesHexosyltransferasesBacterial ProteinsNeisseria gonorrhoeaebeta-LactamasesErythromycinSerotypingMacrolidesDisease ResistanceAntimicrobial Cationic PeptidesPenicillinasePenicillin G ProcaineLactamsDNA, BacterialTetracyclineAmpicillinPenicillin AmidaseEscherichia coliVascular ResistanceMutationElectrophoresis, Gel, Pulsed-FieldStaphylococcus aureusGram-Negative BacteriaDrug Resistance, ViralBacteriaMolecular Sequence Databeta-LactamsR Factorsbeta-Lactam ResistanceGenes, BacterialTetracycline ResistanceStreptococcal InfectionsPlasmidsPenicillin G BenzathineDrug Resistance, FungalStaphylococcusBacterial InfectionsAmpicillin ResistanceFluoroquinolonesAminoacyltransferasesTransformation, BacterialPolymerase Chain ReactionGram-Positive BacteriaEnterobacteriaceaeCiprofloxacinDisk Diffusion Antimicrobial TestsPlant DiseasesIntegronsEscherichia coli InfectionsCefotaximeOxacillinBacteremiaSalmonellaStreptococcusPseudomonas aeruginosaCross InfectionCommunity-Acquired InfectionsMoraxella (Branhamella) catarrhalisCarrier ProteinsGram-Negative Bacterial InfectionsNasopharynxSequence Analysis, DNAPneumococcal VaccinesShigellaDNA GyraseCephalosporinsEnterococcusRespiratory Tract InfectionsCephalosporin ResistanceMolecular EpidemiologyHaemophilus influenzaeSalmonella InfectionsBacterial Typing TechniquesPhenotypeConjugation, GeneticSalmonella entericaAmino Acid SequenceGenotypeCarrier StateSpainKlebsiella pneumoniaeDNA FingerprintingBase Sequence