Fig. 2From: Prevalence of genotypes and subtypes of hepatitis B viruses in Bangladeshi populationPhylogenetic Tree. The tree is constructed using 950 bp nucleotide sequence (2908-643 bp of complete referance genome) of Pre-S1/Pre-S2/S region of HBV. Referance genome of genetypes A to H representing the standard HBV genotypes throughout the world were used for analysis (Additional file 2). Bootstrap values (≥40) are indicated at the nodes of the branceBack to article page