Travelers’ diarrhea: An update on the incidence, etiology, and risk in military deployments and similar travel populations

Chad K. Porter, Scott Olson, Alexis Hall, Mark S. Riddle

Research output: Contribution to journalArticlepeer-review

58 Scopus citations

Abstract

Travelers’ diarrhea (TD) has historically been a common illness among visitors to developing nations. Although recent studies indicate decreasing incidence of TD among short-term travelers, a systematic review of illness among long-term travelers, including deployed military personnel, has not been conducted in more than 10 years. We conducted a literature search of studies published between 2005 and 2015 that evaluated TD in populations of deployed military personnel or similar long-term travelers (travel ≥1 month) to developing nations. Our literature search identified 28 studies for inclusion. We found that the incidence of TD remained high (10% clinical incidence, 30% self-reported incidence), with variability depending on region of travel and similar rates in both military and civilian long-term travelers. Bacteria (Escherichia coli, Campylobacter, Shigella, and Salmonella species) were the most commonly identified enteropathogens. Fifty percent of affected individuals experienced lost ability to work and 5% required hospitalization. This systematic review demonstrates that among deployed military personnel and longterm travelers, TD remains a prevalent disease that can significantly impact individual readiness for duty. These data demonstrate that to maintain operational readiness among deployed personnel, a focus on vigilance for disease and early treatment of cases is vital.

Original languageEnglish
Pages (from-to)4-10
Number of pages7
JournalMilitary Medicine
Volume182
DOIs
StatePublished - Sep 2017
Externally publishedYes

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