Hepatitis E Virus in Pork Production Chain in Czech Republic, Italy, and Spain, 2010
Figure A1. . . Phylogenetic tree constructed with the Bionumerics version 6 software (Applied Maths, Kortrijk, Belgium) by the neighbor-joining method on the basis of partial nucleotide sequences of open reading frame 2, with avian hepatitis E virus as an outgroup (GenBank accession no. AY043166). Samples are from Italy and Spain, 2010. Bootstrap values of >60% are indicated. ● indicates sequences from Spain; ◉ indicates sequences from Italy. Subtypes of genotype 3 HEV strains are indicated. Scale bar indicates number of substitutions per site.