Journal Article

<i>Mycobacterium simiae</i> Pseudo-outbreak Resulting from a Contaminated Hospital Water Supply in Houston, Texas

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

in Clinical Infectious Diseases

Published on behalf of Infectious Diseases Society of America

Volume 35, issue 7, pages 802-807
Published in print October 2002 | ISSN: 1058-4838
Published online October 2002 | e-ISSN: 1537-6591 | DOI: http://dx.doi.org/10.1086/342331
Mycobacterium simiae Pseudo-outbreak Resulting from a Contaminated Hospital Water Supply in Houston, Texas

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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.

Journal Article.  4342 words.  Illustrated.

Subjects: Infectious Diseases ; Immunology ; Public Health and Epidemiology ; Microbiology

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