Prevention of type B hepatitis.
D000818:Animals; D001782:Blood Donors; D002353:Carrier State; D006509:Hepatitis B / Q000517:prevention & control* / Q000635:transmission; D006514:Hepatitis B Surface Antigens / Q000032:analysis; D006801:Humans; D007106:Immune Sera / Q000008:administration & dosage
D006514:Hepatitis B Surface Antigens; D007106:Immune Sera