Penicillin ResistancePenicillinsAnti-Bacterial AgentsDrug Resistance, BacterialPenicillin GMicrobial Sensitivity TestsDrug Resistance, MicrobialMurrayaStreptococcus pneumoniaeDrug Resistance, Multiple, BacterialPenicillin VPneumococcal InfectionsTetracyclinePenicillin-Binding ProteinsStaphylococcus aureusMuramoylpentapeptide CarboxypeptidaseBacteriaPeptidyl TransferasesHexosyltransferasesBacterial ProteinsPenicillinasePenicillin G ProcaineStaphylococcal InfectionsCarrier StateEscherichia coliDrug ResistanceNeisseria gonorrhoeaePenicillin AmidaseDNA, BacterialLactamsDrug Resistance, MultiplePenicillin G BenzathineErythromycinSerotypingCross InfectionAminoacyltransferasesMacrolidesAmpicillinbeta-Lactamasesbeta-LactamsStreptococcal InfectionsTransformation, BacterialCefotaximeDrug Resistance, NeoplasmOxacillinStreptococcusMutationCarrier ProteinsNasopharynxStaphylococcusMolecular Sequence DataPneumococcal VaccinesR FactorsAntibiotic ProphylaxisGenes, BacterialTransformation, GeneticMoraxella (Branhamella) catarrhalisPneumonia, PneumococcalCephalosporinsPlasmidsElectrophoresis, Gel, Pulsed-FieldCulture MediaDisease ResistanceCommunity-Acquired InfectionsBacteremiaGentamicinsAminoglycosidesDrug Resistance, ViralStreptomycinRespiratory Tract InfectionsHaemophilus influenzaeAnti-Infective AgentsPolymerase Chain ReactionNeisseria meningitidisSpainVascular ResistanceBase SequenceTetracycline ResistanceAmino Acid SequenceDNA FingerprintingMolecular EpidemiologyBacterial InfectionsStreptomycesbeta-Lactam ResistanceChloramphenicolClindamycinBacterial Typing TechniquesKanamycinVancomycinAntibiotics, AntineoplasticCeftriaxoneCiprofloxacinAmpicillin ResistanceCloxacillinPseudomonas aeruginosaFluoroquinolonesEnterobacteriaceaeTime FactorsCephaloridinePlant Diseases