Enteroaggregative Escherichia coli 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, Herbert L. DuPont

Research output: Contribution to journalArticlepeer-review

192 Scopus citations

Abstract

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.

Original languageEnglish (US)
Pages (from-to)1706-1709
Number of pages4
JournalClinical Infectious Diseases
Volume32
Issue number12
DOIs
StatePublished - 2001

ASJC Scopus subject areas

  • Microbiology (medical)
  • Infectious Diseases

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