Fig. 3From: A recurrent and transesophageal echocardiography–associated outbreak of extended-spectrum β-lactamase–producing Enterobacter cloacae complex in cardiac surgery patientsTimeline of cases and key interventions performed to control the outbreak. A more detailed list of all infection control measures taken is shown in Additional file 1: Table S1. Abbreviations: CSICU cardiac surgery intensive care unit, MRGN multiresistant Gram-negative bacteria, TEE transesophageal echocardiographyBack to article page