Outbreak of CTX-M-15-producing Klebsiella pneumoniae in the intensive care unit of a French hospital.

The CTX-M-15 extended spectrum beta-lactamase (ESBL)-producing Klebsiella pneumoniae isolates were identified in 36 patients hospitalized from December 2006 to September 2007 in the medical intensive care unit (ICU) of the Bicêtre hospital, South Paris, France. The incidence of colonization and/or infection was 4.8%.