Penicillin ResistanceAmpicillinPenicillinsDrug Resistance, BacterialAnti-Bacterial AgentsMicrobial Sensitivity TestsPenicillin GDrug Resistance, MicrobialStreptococcus pneumoniaeDrug Resistance, Multiple, BacterialAmpicillin ResistancePneumococcal InfectionsDrug ResistancePenicillin VPenicillin-Binding ProteinsDrug Resistance, MultipleMuramoylpentapeptide CarboxypeptidaseHexosyltransferasesPeptidyl TransferasesAnti-Infective AgentsNeisseria gonorrhoeaeDrug Resistance, NeoplasmPenicillinasebeta-LactamasesSerotypingBacterial ProteinsErythromycinPenicillin G ProcaineTetracyclineAntimicrobial Cationic PeptidesLactamsDNA, BacterialDisease ResistanceEscherichia coliR FactorsPenicillin AmidaseMacrolidesVascular ResistanceBacteriaElectrophoresis, Gel, Pulsed-FieldStaphylococcus aureusbeta-LactamsDrug Resistance, ViralGram-Negative BacteriaStreptococcal InfectionsPlasmidsPenicillin G BenzathineMolecular Sequence DataTetracycline ResistanceMutationBacterial InfectionsGenes, BacterialStaphylococcusHaemophilus influenzaebeta-Lactam ResistanceSalmonellaCefotaximeAminoacyltransferasesShigellaEnterobacteriaceaeTransformation, BacterialStreptococcusOxacillinCephalosporinsEscherichia coli InfectionsSalmonella InfectionsGram-Positive BacteriaMoraxella (Branhamella) catarrhalisBacteremiaIntegronsCommunity-Acquired InfectionsPolymerase Chain ReactionCiprofloxacinTrimethoprim-Sulfamethoxazole CombinationFecesConjugation, GeneticDysentery, BacillarySalmonella entericaEnterococcusNasopharynxGram-Negative Bacterial InfectionsGram-Positive Bacterial InfectionsFluoroquinolonesSulbactamGentamicinsCross InfectionChloramphenicol ResistanceRespiratory Tract InfectionsDisk Diffusion Antimicrobial TestsChloramphenicolCarrier ProteinsCeftriaxonePneumococcal VaccinesCarrier StateDrug Resistance, FungalBacterial Typing TechniquesStreptomycinEnterococcus faecalisTrimethoprimMolecular Epidemiology