Since hepatitis B virus (HBV) genotype is an important predictor of response to PEG-IFN, determination of HBV genotype is essential in patients in whom sustained off-treatment response is pursued.

• 由于乙肝病毒（HBV）基因型是干扰素应答的重要预测指标，测定乙肝病毒基因型对于追求治疗停止后持久应答的患者是至关重要的。