CoagulaseStaphylococcusStaphylococcal InfectionsStaphylococcus aureusStaphylococcus lugdunensisStaphylococcus haemolyticusEquipment ContaminationStaphylococcus epidermidisOxacillinCross InfectionBacteremiaBacteriological TechniquesAnti-Bacterial AgentsMethicillin ResistanceCatheterization, Central VenousMethicillinCatheters, IndwellingMicrobial Sensitivity TestsBacteriaStaphylococcal Protein AVancomycinDisease ReservoirsSepsisCulture MediaDrug Resistance, BacterialPatient IsolatorsInfant, NewbornChromogenic CompoundsHospital Design and ConstructionUmbilicusBacterial Typing TechniquesReagent Kits, DiagnosticNoseMannitolStaphylococcal Food PoisoningMastitis, BovineAir MicrobiologyCarrier StateAgarRetrospective StudiesPenicillin ResistanceTolonium ChloridePhenolphthaleinsStaphylococcus PhagesMicrococcaceaeEvaluation Studies as TopicDeoxyribonucleasesLatex Fixation TestsBacteriophage Typing