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Consensus phylogenetic tree constructed for representative human picornaviruses. The tree was constructed by neighbor-joining and p-distance methods. The numbers at nodes represent the percentages of 500 bootstrap pseudoreplicates. The bar indicates genetic distance. Abbreviations: CA, coxsackie A virus; EV, enterovirus; CB, coxsackie B virus; E, echovirus; FMDV, foot-and-mouth disease virus; EMCV, encephalomyocarditis virus.
