How should a carrier of hepatitis B surface antigen (HBsAg) be cared for with regard to clinical investigation, general counseling and occupational restrictions?
D003140:Communicable Disease Control; D003376:Counseling; D006509:Hepatitis B / Q000635:transmission*; D006514:Hepatitis B Surface Antigens; D006801:Humans; D009790:Occupations
D006514:Hepatitis B Surface Antigens