title: Acute hepatitis B virus infection in children and teachers, England and Wales 1985-90.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003430:Cross-Sectional Studies; D004739:England / Q000453:epidemiology; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology* / Q000635:transmission; D006514:Hepatitis B Surface Antigens / Q000032:analysis; D006801:Humans; D015994:Incidence; D007223:Infant; D008297:Male; D009784:Occupational Diseases / Q000453:epidemiology*; D011159:Population Surveillance; D012307:Risk Factors; D013663:Teaching; D014852:Wales / Q000453:epidemiology
chemical_list: D006514:Hepatitis B Surface Antigens