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Campylobacter species, predominantly C. jejuni, are now among the leading causes of bacterial infections of the intestines in the U.S. and around the world. Infections cause fever, diarrhea, and abdominal pain. The bacterium is acquired by ingesting contaminated food or water. Among active component service members, Campylobacter infections have steadily increased since 2007 as noted in this report of the incidence of diagnoses during a 10-year surveillance period. Findings During the 10-year surveillance period, there were 1,753 diagnosed cases of Campylobacter intestinal infection among active component service members. The overall incidence rate was 14.1 cases per 100,000 person-years (p-yrs). Annual incidence rates steadily increased from 7.6 per 100,000 p-yrs in 2007 to 22.1 cases per 100,000 p-yrs. in 2016. More cases were diagnosed in the warmer months of the year. Overall Rates Were Higher In •	Females •	Persons aged 45 years or older •	Air Force and Army members •	Officers and those in military healthcare occupations Annual numbers of incident cases (bar graph) and incidence rates (line graph) of ’Campylobacter infection, active component, U.S. Armed Forces, 2007 – 2016’ is displayed. Second bar graph titled ‘Cumulative numbers of incident cases of Campylobacter infection, by calendar month, active component, U.S. Armed Forces, 2007 -2016’ displays. Access the report in MSMR Vol. 24 No. 6 – June 2017 at Health.mil/MSMR Background of infographic shows intestines.

This infographic documents the incidence of diagnoses for Campylobacter Intestinal Infections among active component service members.

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Armed Forces Health Surveillance Branch

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