Objective To study the pathogenicity of GB virus C(GBV-C),and effect of coinfection with GBV-C on hepatitis B and C.

• 目的探讨GB病毒C(GBV-C)的致病性,以及混合感染GBV-C后对慢性乙型肝炎及慢性丙型肝炎预后的影响。