Abstract: Subsequent to the instigation of antiviral therapy, the dominant drug resistant HBV which caused virological breakthrough and was associated with
hepatic failure displayed a series of unique mutations particularly in the
BCP (
A1762T and
G1764A) and in the
polymerase (
rtL180M,
rtM204V,
rtA222T and
rtL336V),
core (
cP5T,
cS26A,