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Journal of Clinical Microbiology, September 1999, p. 3065-3067, Vol. 37, No. 9
0095-1137/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.

Molecular Epidemiology of Ceftazidime-Resistant Gram-Negative Bacilli on Inanimate Surfaces and Their Role in Cross-Transmission during Nonoutbreak Periods

Erika M. C. D'Agata,1,* Lata Venkataraman,2 Paola DeGirolami,2 and Matthew Samore1,dagger

Division of Infectious Diseases1 and Department of Pathology,2 Beth Israel Deaconess Medical Center, and Harvard Medical School, Boston, Massachusetts

Received 16 February 1999/Returned for modification 24 April 1999/Accepted 18 May 1999

We described the molecular epidemiology of expanded-spectrum cephalosporin-resistant gram-negative bacilli (RGN) recovered from inanimate surfaces. RGN were isolated from 9% of environmental cultures. Numerous species, each with multiple unique strains, were recovered. Epidemiological links between environmental, personnel, and patient strains suggested the exogenous acquisition of RGN from the hospital environment.


* Corresponding author. Present address: Division of Infectious Diseases, Vanderbilt University, Oxford House Room 911, 1313 21st Ave. S, Nashville, TN 37232-4751. Phone: (615) 936-0682. Fax: (615) 936-0390. E-mail: ERIKA.D'AGATA{at}MCMAIL.VANDERBILT.EDU.

dagger Present address: Division of Infectious Diseases, LDS Hospital, Salt Lake City, UT 84143.


Journal of Clinical Microbiology, September 1999, p. 3065-3067, Vol. 37, No. 9
0095-1137/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.



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