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. 2012 Aug;18(8):1369–1370. doi: 10.3201/eid1808.111659

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Phylogenetic tree based on the complete genomic sequences of ferret hepatitis E viruses (HEVs) and human, rabbit, swine, avian, and rat HEV strains. Names of HEV strains follow GenBank accession numbers. Sequence alignment was performed by using ClustalW in the MEGA5.0 software package (www.megasoftware.net), and the trees were constructed by using the neighbor-joining method with p-distance (gap/missing data treatment; complete deletion) and 1,000 bootstrap replicates as in MEGA version 5.0. Scale bar indicates nucleotide substitutions per site.