Journal of Clinical Microbiology, December 2004, p. 5917-5920, Vol. 42, No. 12
0095-1137/04/$08.00+0 DOI: 10.1128/JCM.42.12.5917-5920.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.
Molecular Epidemiological Analysis of Escherichia coli Isolates Producing Extended-Spectrum ß-Lactamases for Identification of Nosocomial Outbreaks in Stockholm, Sweden
Hong Fang,1,2*
Christina Lundberg,1
Barbro Olsson-Liljequist,3
Göran Hedin,1,2
Emma Lindbäck,1
Åsa Rosenberg,1,2 and
Johan Struwe1,2,4
Departments of Clinical Bacteriology,1
Infection Control,2
Infectious Diseases, Karolinska University Hospital, Huddinge, Karolinska Institute, Stockholm,4
Department of Bacteriology, Division of Antibiotics and Infection Control, Swedish Institute for Infectious Disease Control, Solna, Sweden3
Received 23 June 2004/
Returned for modification 15 July 2004/
Accepted 30 August 2004
From June to October of 2002, a cluster of Escherichia coli isolates producing extended-spectrum ß-lactamases (ESBLs) was detected in Stockholm. The isolates were grouped into two clones, one of which had already circulated in the same area before the outbreak. CTX-M-type ESBLs and coresistance to ciprofloxacin were identified in the strains.
* Corresponding author. Mailing address: Laboratory of Clinical Bacteriology, F82, Karolinska University Hospital, Huddinge, SE-141 86 Stockholm, Sweden. Phone: 46 8 58581357. Fax: 46 8 58581080. E-mail: hong.fang{at}karolinska.se.
Journal of Clinical Microbiology, December 2004, p. 5917-5920, Vol. 42, No. 12
0095-1137/04/$08.00+0 DOI: 10.1128/JCM.42.12.5917-5920.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.
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Copyright © 2004 by the American Society for Microbiology. All rights reserved.