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Journal of Clinical Microbiology, July 2009, p. 2256-2259, Vol. 47, No. 7
0095-1137/09/$08.00+0     doi:10.1128/JCM.02165-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.

Pseudo-Outbreak of Rhizobium radiobacter Infection Resulting from Laboratory Contamination of Saline Solution{triangledown}

Lynette A. Pereira,1,2 Douglas Su Gin Chan,2 Toon Mae Ng,2 Raymond Lin,2 Roland Jureen,2 Dale A. Fisher,1,2 and Paul A. Tambyah1,2*

Yong Loo Lin School of Medicine, National University Singapore, 5 Lower Kent Ridge Road, Singapore 119074,1 National University Hospital, 5 Lower Kent Ridge Road, Singapore 1190742

Received 12 November 2008/ Returned for modification 5 March 2009/ Accepted 14 May 2009

We report a pseudo-outbreak of Rhizobium radiobacter infections resulting from contamination by a saline dispenser in the microbiology laboratory. Isolates from clinical specimens had identical antimicrobial susceptibilities and electrophoretic fingerprints. The episode resolved with autoclaving of the dispenser. This demonstrates the importance of timely, thorough investigation of unusual organisms, particularly when they appear as a cluster.

* Corresponding author. Mailing address: Yong Loo Lin School of Medicine, National University Singapore, 5 Lower Kent Ridge Road, Singapore 119074. Phone: (65) 98126960. Fax: (65) 67794112. E-mail: mdcpat{at}nus.edu.sg

{triangledown} Published ahead of print on 20 May 2009.

Journal of Clinical Microbiology, July 2009, p. 2256-2259, Vol. 47, No. 7
0095-1137/09/$08.00+0     doi:10.1128/JCM.02165-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.





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