Figure 1From: Determination of the full-genome sequence of hepatitis E virus (HEV) SAAS-FX17 and use as a reference to identify putative HEV genotype 4 virulence determinantsPhylogenetic tree depicting the genotypic/subgenotypic status of 30 HEV isolates based on the full length genomic sequence. Internal node numbers indicate the bootstrap values as a percentage of trees obtained from 1000 replicates.Back to article page