Lilli D, Rivanera D, Barbacini IG, Lozzi MA, Mancini C. Department of Science and Public Health, University La Sapienza, Microbiology, Rome, Italy Aim: Hepatitis G virus (HGV), a new RNA virus that is parenterally trasmitted has frequentley been found in patients with chronic hepatitis C infection but its role in chronic liver desease is unknown.