Journal Article

Enteroaggregative <i>Escherichia coli</i> as a Major Etiologic Agent in Traveler's Diarrhea in 3 Regions of the World

Javier A. Adachi, Zhi-Dong Jiang, John J. Mathewson, Mangala P. Verenkar, Sharon Thompson, Francisco Martinez-Sandoval, Robert Steffen, Charles D. Ericsson and Herbert L. DuPont

in Clinical Infectious Diseases

Published on behalf of Infectious Diseases Society of America

Volume 32, issue 12, pages 1706-1709
Published in print June 2001 | ISSN: 1058-4838
Published online June 2001 | e-ISSN: 1537-6591 | DOI: http://dx.doi.org/10.1086/320756
Enteroaggregative Escherichia coli as a Major Etiologic Agent in Traveler's Diarrhea in 3 Regions of the World

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Enteroaggregative Escherichia coli (EAEC) has been reported to cause traveler's diarrhea and persistent diarrhea in children in developing countries and in immunocompromised patients. To clarify the prevalence of EAEC in traveler's diarrhea, we studied 636 US, Canadian, or European travelers with diarrhea: 218 in Guadalajara, Mexico (June–August 1997 and 1998), 125 in Ocho Rios, Jamaica (September 1997–May 1998), and 293 in Goa, India (January 1997–April 1997 and October 1997–February 1998). Stool samples were tested for conventional enteropathogens. EAEC strains were identified by use of the HEp-2 assay. EAEC was isolated in 26% of cases of traveler's diarrhea (ranging from 19% in Goa to 33% in Guadalajara) and was second only to enterotoxigenic E. coli as the most common enteropathogen in all areas. Identification of EAEC reduced the number of cases for which the pathogen was unknown from 327 (51%) to 237 (37%) and explained 28% of cases with unknown etiology. EAEC was a major cause of traveler's diarrhea in 3 geographically distinct study areas.

Journal Article.  2684 words.  Illustrated.

Subjects: Infectious Diseases ; Immunology ; Public Health and Epidemiology ; Microbiology

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