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Antimicrobial Agents and Chemotherapy, February 2008, p. 786-789, Vol. 52, No. 2
0066-4804/08/$08.00+0 doi:10.1128/AAC.00906-07
Copyright © 2008, American Society for Microbiology. All Rights Reserved.
Nationwide Study of the Prevalence, Characteristics, and Molecular Epidemiology of Extended-Spectrum-β-Lactamase-Producing Enterobacteriaceae in France
Muriel Galas,1
Jean-Winoc Decousser,2,3*
Nelly Breton,1
Thierry Godard,1
Pierre Yves Allouch,1
Patrick Pina,4 and the Collège de Bactériologie Virologie Hygiène (ColBVH) Study Group,
Service d'Hygiène Hospitalière, Centre Hospitalier de Versailles, Le Chesnay, France,1
Service de Biologie et d'Hygiène, Centre Hospitalier de Dourdan, Dourdan, France,2
Service de Biologie, Centre Hospitalier de Rambouillet, Rambouillet, France,3
Service de Médecine B, Hôpital de Plaisir Grignon, Plaisir, France4
Received 11 July 2007/
Returned for modification 7 September 2007/
Accepted 6 November 2007
Among 10,872 isolates of Enterobacteriaceae from a nationwide study of 88 French hospitals in 2005, 169 (1.7%) expressed an extended-spectrum β-lactamase. The most prevalent species were Escherichia coli (48.5%), Enterobacter aerogenes (23.7%), and Klebsiella pneumoniae (14.8%). Molecular analysis underlined the polyclonal spread of CTX-M-expressing E. coli, primarily isolates of the CTX-M-1 subgroup.
* Corresponding author. Mailing address: Centre Hospitalier de Dourdan, 2 rue du Potelet, 91415 Dourdan cedex, France. Phone: 33 1 60 81 58 92. Fax: 33 1 60 81 58 97. E-mail:
jean-winoc.decousser{at}wanadoo.fr
Published ahead of print on 19 November 2007.
The ColBVH Study Group participants are listed in Acknowledgements.
Antimicrobial Agents and Chemotherapy, February 2008, p. 786-789, Vol. 52, No. 2
0066-4804/08/$08.00+0 doi:10.1128/AAC.00906-07
Copyright © 2008, American Society for Microbiology. All Rights Reserved.
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