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Journal of Clinical Microbiology, October 2007, p. 3396-3399, Vol. 45, No. 10
0095-1137/07/$08.00+0     doi:10.1128/JCM.00084-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Typical Enteroaggregative and Atypical Enteropathogenic Types of Escherichia coli Are the Most Prevalent Diarrhea-Associated Pathotypes among Brazilian Children{triangledown}

Joel M. Araujo,1,3 Graciela F. Tabarelli,2 Katia R. S. Aranda,1 Sandra H. Fabbricotti,1 Ulysses Fagundes-Neto,2 Caio M. F. Mendes,3 and Isabel C. A. Scaletsky1*

Departamento de Microbiologia, Imunologia e Parasitologia,1 Departamento de Pediatria, Universidade Federal de São Paulo,2 Escola Paulista de Medicina, Fleury Centro de Medicina Diagnóstica, São Paulo, SP, Brazil3

Received 11 January 2007/ Returned for modification 23 February 2007/ Accepted 24 July 2007

A 1-year prospective study was carried out in two large urban centers of São Paulo State, Brazil, to determine the prevalences and roles of the different Escherichia coli pathotypes in children less than 5 years of age with diarrhea presenting to the emergency rooms of public hospitals or visiting private pediatricians' offices. Of the pathotypes sought, typical enteroaggregative and atypical enteropathogenic types of E. coli were isolated for 8.9% and 5.4% of 774 diarrhea cases, respectively, and were found to be dominant and significantly associated with diarrhea.

* Corresponding author. Mailing address: Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal de São Paulo, Escola Paulista de Medicina, Rua Botucatu, 862, 04023-062, São Paulo, SP, Brazil. Phone: 55-11-55764537. Fax: 55-11-55724711. E-mail: scaletsky{at}unifesp.br

{triangledown} Published ahead of print on 1 August 2007.

Journal of Clinical Microbiology, October 2007, p. 3396-3399, Vol. 45, No. 10
0095-1137/07/$08.00+0     doi:10.1128/JCM.00084-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.



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