Penicillin ResistanceCiprofloxacinPenicillinsPenicillin GStreptococcus pneumoniaeMicrobial Sensitivity TestsAnti-Bacterial AgentsPenicillin VPneumococcal InfectionsDrug Resistance, MicrobialPenicillin-Binding ProteinsDrug Resistance, BacterialAnti-Infective AgentsMuramoylpentapeptide CarboxypeptidaseHexosyltransferasesPeptidyl TransferasesPenicillin G ProcaineNeisseria gonorrhoeaePenicillinasePenicillin AmidaseLactamsFluoroquinolonesPenicillin G BenzathineDrug Resistance, Multiple, BacterialDrug Resistance, MultipleSerotypingAminoacyltransferasesErythromycinDrug ResistanceBacterial Proteinsbeta-LactamasesAmpicillinQuinolonesCefotaximeMacrolidesStreptococcal InfectionsOfloxacinTetracyclineTransformation, Bacterialbeta-LactamsStaphylococcus aureusOxacillinStreptococcusNasopharynxPneumococcal VaccinesCarrier ProteinsDNA, BacterialDNA GyraseMoraxella (Branhamella) catarrhalisPneumonia, PneumococcalStaphylococcusMutationDrug Resistance, NeoplasmTransformation, GeneticLevofloxacinQuinolinesElectrophoresis, Gel, Pulsed-FieldGenes, BacterialR FactorsBacteremiaRespiratory Tract InfectionsNorfloxacinCarrier StateMolecular Sequence DataBacteriaCephalosporinsPlasmidsCommunity-Acquired InfectionsDNA Topoisomerase IVDisease ResistanceNeisseria meningitidisCulture MediaSpainAza CompoundsHaemophilus influenzaeNalidixic AcidGonorrheaCeftriaxoneEscherichia coliVascular ResistanceMolecular EpidemiologyPseudomonas aeruginosaDNA FingerprintingPolymerase Chain ReactionDrug Resistance, ViralGentamicinsBacterial Typing TechniquesTetracycline Resistance4-QuinolonesPefloxacinGram-Negative BacteriaBase SequenceGram-Positive BacteriaStreptomycinbeta-Lactam ResistanceAmpicillin ResistanceEnterobacteriaceaeAmino Acid SequenceBacterial InfectionsGram-Negative Bacterial Infections