Penicillin ResistancePenicillinsAnti-Bacterial AgentsDrug Resistance, BacterialPenicillin GMicrobial Sensitivity TestsStreptococcus pneumoniaeDrug Resistance, MicrobialPneumococcal InfectionsDrug Resistance, Multiple, BacterialPenicillin VPenicillin-Binding ProteinsMuramoylpentapeptide CarboxypeptidaseDrug ResistanceHexosyltransferasesPeptidyl TransferasesDrug Resistance, MultipleAnti-Infective AgentsNeisseria gonorrhoeaeSerotypingAntimicrobial Cationic PeptidesPenicillin G ProcainePenicillinaseBacterial ProteinsErythromycinbeta-LactamasesLactamsPenicillin AmidaseAmpicillinDNA, BacterialBacteriaMacrolidesDrug Resistance, NeoplasmTetracyclinePenicillin G BenzathineStaphylococcus aureusEscherichia coliElectrophoresis, Gel, Pulsed-FieldGram-Negative BacteriaStreptococcal InfectionsMolecular Sequence DataAminoacyltransferasesBacterial InfectionsR FactorsStaphylococcusGenes, BacterialDisease Resistancebeta-LactamsPlasmidsMutationGram-Positive BacteriaVascular ResistanceCefotaximeSalmonellaMoraxella (Branhamella) catarrhalisOxacillinTransformation, BacterialStreptococcusCommunity-Acquired InfectionsNasopharynxBacteremiaPneumococcal VaccinesTetracycline ResistanceDrug Resistance, ViralShigellaEscherichia coli InfectionsPolymerase Chain ReactionAmpicillin ResistanceRespiratory Tract InfectionsGram-Negative Bacterial InfectionsIntegronsbeta-Lactam ResistanceCarrier StateCarrier ProteinsCross InfectionSalmonella InfectionsEnterobacteriaceaeEnterococcusBacterial Typing TechniquesFluoroquinolonesSalmonella entericaCephalosporinsDisk Diffusion Antimicrobial TestsCiprofloxacinHaemophilus influenzaeFecesTrimethoprim-Sulfamethoxazole CombinationMolecular EpidemiologyPneumonia, PneumococcalCeftriaxoneSpainCulture MediaTransformation, GeneticGram-Positive Bacterial InfectionsSequence Analysis, DNADysentery, BacillaryDNA FingerprintingAmino Acid SequencePseudomonas aeruginosaPopulation Surveillance