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Antimicrobial Agents and Chemotherapy, November 2005, p. 4784-4786, Vol. 49, No. 11
0066-4804/05/$08.00+0     doi:10.1128/AAC.49.11.4784-4786.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.

High Prevalence of Glycopeptide Resistance Genes vanB, vanD, and vanG Not Associated with Enterococci in Human Fecal Flora

Centre de Recherche en Infectiologie de l'Université Laval, CHUQ, Pavillon CHUL,¹ Division de Microbiologie, Faculté de Médecine, Université Laval, Sainte-Foy,² Département de Microbiologie, Hôpital Général de Montréal, McGill University Health Center, Montréal, Québec, Canada,³ Department of Clinical Microbiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts⁴

Received 4 May 2005/ Returned for modification 26 June 2005/ Accepted 23 July 2005

The presence of Enterococcus-associated vancomycin resistance genes vanA, vanB, vanD, vanE, and vanG in rectal swabs was investigated in two hospitals using PCR. All vanA genes detected were associated with vancomycin-resistant enterococci (VRE), whereas VRE-associated vanB genes were detected in only one hospital (4.7%). However, in both hospitals, high prevalences of vanB (6.2 and 2.3%), vanD (43.8 and 26.7%), and vanG (10.5 and 6.9%) genes not associated with enterococci were found.

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