Viral hepatitis.
D002353:Carrier State / Q000175:diagnosis; D006514:Hepatitis B Surface Antigens / Q000032:analysis; D006525:Hepatitis, Viral, Human / Q000175:diagnosis / Q000209:etiology / Q000276:immunology / Q000635:transmission; D006801:Humans; D007116:Immunization, Passive
D006514:Hepatitis B Surface Antigens