Montréal, Québec, Canada in Enterobacter cloacae at a Single Hospital Polyclonal Outbreak of KPC-3-Producing

isolated at the JGH.Screening was performed using rectal swabs transported inAmies media (Becton Dickinson, Franklin Lakes, NJ) that werethen directly plated onto a CRE screening plate (4). Resistance toertapenem in isolates from the screen plates were confirmed byEtest (AB Biodisk, Solna, Sweden), with interpretations based oniterationsofCLSIdocumentM100(5).IsolateswithanertapenemMIC of 1 g/ml were sent for confirmation of carbapenem re-sistance to the Laboratoire de Sante Publique du Quebec (LSPQ).The LSPQ confirmed species identification using API 20E strips(bioMerieux, Lyon, France). Extended biochemical panel testing(6) with or without