This work was supported by the grants from the Beijing Natural Science Foundation (No. 7091006), the National Key Basic Research Developing Project (No. 2007CB512803), and the National 11th Five-Year Special Grand Project for Infectious Diseases (No. 2008ZX10002-011 and No. 2009ZX10004-314). Conflict of interests: None.
Background There is still a paucity of data on hepatitis B virus (HBV) subgenotype prevalence in North China based on sequencing of large-size samples. In addition, whether HBV genotypes impact drug-resistance-assoc...