Fig. 3

Occurrence of MDR-resistant bacteria (each counted once per patient) between January 2002 and March 2013 with indication of the main infection control measures that were taken on the ICU. ICU closure I: during January–May 2003 for thorough cleaning and disinfection; ICU closure II: temporary closure for new admissions because of an outbreak with multi-drug resistant A. baumannii. After all beds became available through discharges the unit including equipment was decontaminated with vaporized hydrogen peroxide; new ICU opened with single-bed rooms