Viral hepatitis in a community.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001803:Blood Transfusion; D003937:Diagnosis, Differential; D005260:Female; D006506:Hepatitis A / Q000175:diagnosis / Q000453:epidemiology* / Q000235:genetics; D006509:Hepatitis B / Q000175:diagnosis / Q000453:epidemiology*; D006511:Hepatitis B Antigens; D006801:Humans; D008297:Male; D008722:Methods; D008824:Michigan; D009790:Occupations; D011157:Population Dynamics; D011635:Public Health Administration; D012189:Retrospective Studies; D012498:Sanitary Engineering; D012737:Sex Factors; D019966:Substance-Related Disorders
D006511:Hepatitis B Antigens