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. 2012 Jan;18(1):7–12. doi: 10.3201/eid1801.110725

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Phylogenetic tree showing partial viral protein 1 capsid sequences (588 nt) from the Saffold virus strains identified from 2 children from Denmark, 2009, and representative strains from other cardioviruses. The tree was constructed by the neighbor-joining method by using MEGA4 software (www.megasoftware.net). Scale bar indicates nucleotide substitutions per site. SAFV, Saffold virus; TMEV, Theiler’s murine encephalomyelitis virus; TRV, Thera virus; EMCV, encephalomyocarditis virus.