Case 3 was tested for serum ALT being 213 IU/L, T-Bil 30.2 μmol/L and HBV DNA 7.25 LC/ml on September 1 of 2010, and admitted to our hospital for antiviral therapy with Pegasys (180 μg, one time per week) because of suffering from chronic hepatitis B on September 6 of 2010 (Table 1). Here, GPT is linked to chronic hepatitis B virus infection.