Even hepatitis carriers are human.
D001782:Blood Donors; D002353:Carrier State; D005260:Female; D006509:Hepatitis B / Q000517:prevention & control*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D008297:Male; D010356:Patient Isolation
D006514:Hepatitis B Surface Antigens