RNA virus. The most common liver disease in the US. most common reason for liver transplant (needles, blood transfusions before 1992, coke straws). Asymptomatic. Often leads to chirosis. Incubation 2 wks-6 MONTHS! Initial Sx similar to A and B, fatigue and jaundice, followed by nausea, anorexia, wt. loss, RUQ pain, dk. urine, may be asx for a long time. no vaccine. Tx: transplant; oral ribavarin & SQ pegylated interferon (se: flu-like sx, severe depression) OR ribavirin capsules & pegylated interferon. Discovered in 1995. Transmission of hepatitis G virus, IV drug use, sexual transmission. Symptoms of hepatitis. Stages, Preicteric; anorexia, nausea and vomiting, liver enzymes may be elevated-indication of liver cell damage; fatigue, malaise, generalized pain & low grade fever, cough. Icteric jaundice, hepatomegaly (enlarged liver), biliary obstruction, light colored stools and dark urine, prutitus, abdominal pain. Posticteric (recovery) Reduction of symptoms. TREATMENT: None. In early stages gamma globulins may be used. Interferon may be used for cases of chronic hepatitis B & C.