BacteremiaMethicillin-Resistant Staphylococcus aureusStaphylococcus aureusMethicillin ResistanceAnti-Bacterial AgentsStaphylococcal InfectionsMethicillinCross InfectionMicrobial Sensitivity TestsVancomycinGram-Negative Bacterial InfectionsSepsisCommunity-Acquired InfectionsGram-Positive Bacterial InfectionsLeukocidinsCarrier StateBloodBacterial Typing TechniquesDrug Resistance, BacterialNoseVancomycin ResistanceElectrophoresis, Gel, Pulsed-FieldExotoxinsMolecular TypingPneumonia, StaphylococcalEndocarditis, BacterialOxazolidinonesAcetamidesDNA, BacterialCatheters, IndwellingGram-Negative BacteriaBacteriological TechniquesCatheterization, Central VenousDrug Resistance, Multiple, BacterialInfection ControlSoft Tissue InfectionsVirulence FactorsGram-Positive BacteriaDaptomycinRetrospective StudiesEnterococcusEquipment ContaminationHospitals, UniversityMolecular EpidemiologyCatheter-Related InfectionsStaphylococcal Skin InfectionsBacterial ProteinsNafcillinNasal CavityStreptococcal InfectionsColony Count, Microbial