• aka "GBV-C"
  • RNA virus; distantly related to HCV
  • May cause about 20% of postransfusion hepatitis and 15% of community-acquired hepatitis not caused by A through E
  • About 20% of pts with HCV are co-infected with HGV
  • Viremia can last for years, even after LFT's are back to nl
  • (Science 271:505, 1996-JW)

  • Severity of Hep A, B, or C doesn't seem to be worse with coexistent Hep G (NEJM 336:741, 1997-JW)