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Phylogenetic trees based on poliovirus and HEV-C virus nucleotide sequences. Each of the major functional regions of the genome was analyzed independently. Bootstrap values (percent of 100 pseudoreplicate data sets) of over 80% supporting each cluster are shown at the nodes. All trees are plotted to the same scale (see scale bar). (A) 5′-NTR; (B) 3′-NTR; (C) complete P1 region; (D) complete P2 region; (E) complete P3 region.
