Figure 4. Phylogenetic tree of the 5′ VP1 extreme showing the relationship between the Spanish isolates and others. The sequences included are the 14 Spanish echovirus 13 selected isolates as well as the German (n=12), Italian (n=1), Swedish (n=1), and Japanese (n=2) ones. Phylogenetic tree reconstructed with the maximum-likelihood method, 50 Jumble. Gray sequences correspond to the 2001 isolates.
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