hepatitis Bhepatitis B
a form of hepatitis caused by a DNA virus, usually transmitted by infected blood, and characterized by a long incubation period, serious liver damage, and the sudden onset of severe fever, jaundice, abdominal pain, etc.; serum hepatitis
A viral hepatitis that is either acute or chronic, caused by a DNA virus, and usually transmitted by infected blood products (as through transfusion), contaminated needles, or exposure to infected bodily fluids through sexual intercourse. It can cause chronic liver damage and cancer. Also called serum hepatitis .