This study evaluated travelers' diarrhea among US military personnel on short term deployment to lncirlik Air Base. Turkey from June through September 2002. Upon reporting for care for travelers'diarrhea, subjects were enrolled into the study and completed a series of questionnaires and provided stool specimens for pathogen identification and antimicrobial susceptibility testing. Fifty-three percent of the 202 participating subjects had a pathogen isolated from their stool. Entcrotoxigenic Escherichia coli (ETEC) ...