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Mycobacterium simiae Pseudo‐outbreak Resulting from a Contaminated Hospital Water Supply in Houston, Texas

2002; Oxford University Press; Volume: 35; Issue: 7 Linguagem: Inglês

10.1086/342331

1537-6591

Hana M. El Sahly, Edward Septimus, Hanna Soini, Joshua Septimus, Richard J. Wallace, Xi Pan, Natalie Williams‐Bouyer, James M. Musser, Edward A. Graviss,

Antibiotic Resistance in Bacteria

Various species of nontuberculous mycobacteria are known to cause nosocomial pseudo-outbreaks, but there have been no detailed reports of nosocomial Mycobacterium simiae pseudo-outbreaks. From April 1997 through February 2001, we recovered 65 M. simiae isolates from 62 patients at a community teaching hospital in Houston, Texas. The organism was grown in various water samples obtained in the hospital building and in professional building 1 but not in professional building 2, which has a separate water supply system. Thirty-one environmental and human outbreak-related M. simiae isolates had indistinguishable or closely related patterns on pulsed-field gel electrophoresis and were considered clonal. M. simiae can be a cause of nosocomial pseudo-outbreaks. The reservoir for this pseudo-outbreak was identified as a contaminated hospital water supply.