From October to December 2007, an outbreak of Burkholderia cenocepacia occurred in a secondary care hospital. The 19 B cenocepacia isolated from the patients, the chlorhexidine solutions of each different ward, and the purified water that diluted these solutions exhibited an identical pulsed-field gel electrophoresis pattern. Inadequate preparation of chlorhexidine solutions diluted with contaminated purified water may have resulted in an outbreak of B cenocepacia. Adequate preparation of chlorhexidine solutions should be emphasized.
Keywords: Burkholderia cepacia complex; Disinfectants; Hospital outbreak; Water contamination.
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