Penicillin ResistancePenicillinsNeisseria gonorrhoeaeNeisseriaAnti-Bacterial AgentsDrug Resistance, BacterialPenicillin GMicrobial Sensitivity TestsDrug Resistance, MicrobialNeisseria meningitidisStreptococcus pneumoniaePneumococcal InfectionsDrug Resistance, Multiple, BacterialPenicillin VPenicillin-Binding ProteinsMuramoylpentapeptide CarboxypeptidaseDrug ResistanceHexosyltransferasesPeptidyl TransferasesAnti-Infective AgentsDrug Resistance, MultipleSerotypingPenicillinaseGonorrheaBacterial ProteinsPenicillin G ProcaineAntimicrobial Cationic PeptidesErythromycinbeta-LactamasesLactamsDNA, BacterialPenicillin AmidaseAmpicillinTetracyclineMacrolidesDrug Resistance, NeoplasmBacteriaElectrophoresis, Gel, Pulsed-FieldPenicillin G BenzathineEscherichia coliGram-Negative BacteriaStaphylococcus aureusMolecular Sequence DataGenes, BacterialNeisseria lactamicaR FactorsStreptococcal InfectionsAminoacyltransferasesBacterial Infectionsbeta-LactamsTransformation, BacterialStaphylococcusDisease ResistancePlasmidsCefotaximeNasopharynxMutationMoraxella (Branhamella) catarrhalisStreptococcusVascular ResistanceCarrier StateBacteremiaGram-Positive BacteriaOxacillinSalmonellaPneumococcal VaccinesCommunity-Acquired InfectionsPolymerase Chain ReactionTetracycline ResistanceDrug Resistance, ViralCiprofloxacinCeftriaxoneBacterial Typing TechniquesAmpicillin ResistanceHaemophilus influenzaeShigellaRespiratory Tract InfectionsCarrier ProteinsFluoroquinolonesEscherichia coli InfectionsGram-Negative Bacterial InfectionsCephalosporinsbeta-Lactam ResistanceIntegronsSalmonella InfectionsMolecular EpidemiologyCross InfectionCulture MediaSalmonella entericaEnterobacteriaceaeEnterococcusMeningococcal InfectionsDisk Diffusion Antimicrobial TestsTransformation, GeneticTrimethoprim-Sulfamethoxazole CombinationPneumonia, PneumococcalSpainAmino Acid SequenceDNA FingerprintingFeces