Figure 2From: Detection of hepatitis B virus isolates with mutations associated with immune escape mutants among pregnant women in Ibadan, southwestern Nigeria Phylogenetic relationship of recovered HBV isolates. The phylogram is based on an alignment of the partial HBsAg sequences. The newly sequenced strains are highlighted with black circle, while a genotype E reference strain is highlighted with a black triangle. The GenBank accession number of the strains are indicated in the tree. Bootstrap values are indicated if ≥ 70%.Back to article page