Hepatitis B virus (HBV) is a member of the hepadnavirus family and can lead to severe liver disease. HBV has a very high genetic variability. Currently, eight genotypes of HBV have been recognized, and most genotypes are now divided into subgenotypes with distinct virological and epidemiological properties. In addition, recombination among HBV genotypes increases the variability of HBV. This review summarizes current knowledge of the epidemiology of genetic variability in hepadnaviruses and, due to rapid progress in the field, updates several recent reviews on HBV genotypes and subgenotypes.
CITATION STYLE
Chen, X. L., Sun, D. X., & Zhang, X. L. (2011). Hepatitis B virus genotypes. World Chinese Journal of Digestology. Baishideng Publishing Group Co. https://doi.org/10.1007/978-3-319-22330-8_3
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