American Journal of Epidemiology Vol. 130, No. 2: 319-326
Copyright © 1989 by The Johns Hopkins University School of Hygiene and Public Health
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VIRAL HEPATITIS IN THE US NAVY, 19751984
1Epidemiolcgy Divison, Naval Medical Research Institute Bethesda MD.
2Occupational Medicme Department, Naval Health Research Center San Dlego, CA.
Reprint requests to Kenneth C. Hyams, Naval Medical Research Institute, Infectious Disease Department, Mail Stop 32, Bethesda, MD 20814-5055
The epidemiology of viral hepatitis in US Navy enlisted personnel was reviewed for the years 19751984. Hospttal discharge summaries of all active duty enlisted personnel admmed to a US Navy treatment facility were used for the study. From 1975 to 1984, total first hospitalizations for viral hepatitis declined from 128 per 100,000 personnel (95% confidence interval (Ci) 118139) to 56 per 100,000 personnel (95% CI 5063). The highest incidence of acute viral hepatitis (115 per 100,000 personnel) was found in the youngest age groups aged 24 years and less. Risk factors for acute hepatitis included a previous hospttalization with either drug abuse (relative risk = 363) or a sexually transmitted disease (relative risk = 25) listed among the discharge diagnoses. Having a medical job classification was also associated with an increased risk of acute hepabitis. The steep decline in the incidence of viral hepatitis during this 10-year period may have been due to decreasing drug abuse in the US Navy. Immunization of high-risk groups in the US Navy with hepatitis B vaccine could be an effective policy for the prevention of acute viral hepatitis.
hepatitis; hepatitis A; hepatitis B; hepatitis; viral; non-A; non-B; military medicine
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