Reports

Molecular Cloning and Disease Association of Hepatitis G Virus: A Transfusion-Transmissible Agent

Science  26 Jan 1996:
Vol. 271, Issue 5248, pp. 505-508
DOI: 10.1126/science.271.5248.505

Abstract

An RNA virus, designated hepatitis G virus (HGV), was identified from the plasma of a patient with chronic hepatitis. Extension from an immunoreactive complementary DNA clone yielded the entire genome (9392 nucleotides) encoding a polyprotein of 2873 amino acids. The virus is closely related to GB virus C (GBV-C) and distantly related to hepatitis C virus, GBV-A, and GBV-B. HGV was associated with acute and chronic hepatitis. Persistent viremia was detected for up to 9 years in patients with hepatitis. The virus is transfusion-transmissible. It has a global distribution and is present within the volunteer blood donor population in the United States.

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