Penicillin ResistancePenicillinsAnti-Bacterial AgentsDrug Resistance, BacterialMicrobial Sensitivity TestsPenicillin GDrug Resistance, MicrobialStreptococcus pneumoniaeDrug Resistance, Multiple, BacterialPneumococcal InfectionsPenicillin VAnti-Infective AgentsPenicillin-Binding ProteinsMuramoylpentapeptide CarboxypeptidaseDrug ResistanceDrug Resistance, MultipleHexosyltransferasesPeptidyl TransferasesNeisseria gonorrhoeaeSerotypingAntimicrobial Cationic PeptidesPenicillin G ProcainePenicillinaseErythromycinBacterial Proteinsbeta-LactamasesLactamsAmpicillinMacrolidesPenicillin AmidaseGram-Negative BacteriaTetracyclineBacteriaStaphylococcus aureusDNA, BacterialElectrophoresis, Gel, Pulsed-FieldBacterial InfectionsDrug Resistance, NeoplasmEscherichia coliPenicillin G Benzathinebeta-LactamsStreptococcal InfectionsStaphylococcusGram-Positive BacteriaAminoacyltransferasesR FactorsSalmonellaFluoroquinolonesGenes, BacterialCommunity-Acquired InfectionsDisease ResistanceMolecular Sequence DataPlasmidsGram-Negative Bacterial InfectionsBacteremiaCefotaximeEscherichia coli InfectionsCross InfectionOxacillinMoraxella (Branhamella) catarrhalisEnterococcusTetracycline ResistanceStreptococcusRespiratory Tract InfectionsNasopharynxMutationVascular ResistanceAmpicillin ResistanceCiprofloxacinIntegronsbeta-Lactam ResistanceSalmonella entericaShigellaDisk Diffusion Antimicrobial TestsDrug UtilizationTransformation, BacterialCephalosporinsFecesPneumococcal VaccinesSalmonella InfectionsDrug Resistance, ViralPolymerase Chain ReactionCarrier StateTrimethoprim-Sulfamethoxazole CombinationEnterobacteriaceaeGram-Positive Bacterial InfectionsBacterial Typing TechniquesCeftriaxoneMolecular EpidemiologyHaemophilus influenzaePseudomonas aeruginosaCarrier ProteinsSalmonella Infections, AnimalStaphylococcal InfectionsSpainDysentery, BacillaryGonorrheaColony Count, MicrobialAcinetobacter baumanniiDNA Fingerprinting