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. 2017 Mar 28;9(9):477–486. doi: 10.4254/wjh.v9.i9.477

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©The Author(s) 2017. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial.

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Phylogenetic tree constructed from the nucleotide sequences of the full hepatitis B virus genome. The phylogenetic tree is constructed by the neighbor joining method and significant bootstrap values (> 75%) are indicated in the tree roots. HBV sequences isolated from the studied cohort are indicated in bold. Reference sequences retrieved from the GenBank/EMBL/DDBJ are indicted by their accession numbers. The country origin of the reference sequences is indicated in brackets. HBV genotypes A-H are indicated in the cluster roots. HBV: Hepatitis B virus.