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JAC Advance Access originally published online on October 23, 2009
Journal of Antimicrobial Chemotherapy 2009 64(6):1330-1332; doi:10.1093/jac/dkp382
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© The Author 2009. Published by Oxford University Press on behalf of the British Society for Antimicrobial Chemotherapy. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

Research letters

Dominance of CTX-M-2 and CTX-M-56 among extended-spectrum β-lactamases produced by Klebsiella pneumoniae and Escherichia coli isolated in hospitals in Paraguay

Mushtaq A. Khan1,*, Nicole Lemmens1, Esteban Riera2, Tamara Blonk1, Janet Goedhart1, Alex Van Belkum1, Wil Goessens1, John P. Hays1 and Mireille Van Westreenen1

1 Department of Medical Microbiology and Infectious Diseases, Erasmus MC, 's-Gravendijkwal 230, 3015CE Rotterdam, The Netherlands 2 Laboratorio Central de Salud Publica, Asunción, Paraguay

* Corresponding author. Tel: +31 10 7032177; Fax: +31 10 7033875; E-mail: m.khan@erasmusmc.nl

Keywords: ESBLs , Enterobacteriaceae , CTX-M , TEM , SHV

The first 10% of the full text of this article appears below.

Sir,

Extended-spectrum β-lactamases (ESBLs) have been reported from all the continents of the world including South America.1,2 However, there is currently a lack of knowledge regarding ESBL carriage in many South American countries, including Paraguay. Therefore, the aim of this study was to investigate the molecular characteristics and clonality of ESBL-positive Klebsiella pneumoniae and Escherichia coli isolates from Asunción, Paraguay.

One hundred and eight clinically relevant ESBL-positive K. pneumoniae (83) and E. coli (25) isolates, obtained . . . [Full Text of this Article]


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