Hepatitis A and B in a naval population.
D000328:Adult; D005260:Female; D006506:Hepatitis A / Q000453:epidemiology*; D006509:Hepatitis B / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008889:Military Personnel; D011446:Prospective Studies; D012307:Risk Factors; D014481:United States