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A phylogram of AFV types from calf 755 and subsequent SGV types based on predicted amino acid sequences. seqboot, protdist, and protpars consense programs in the phylip phylogenetic-inference package (version 3.5) were used for the derivation of the data used in the phylogram (28). Bar indicates 1% divergence in amino acid sequences. Bootstrap values from 100 analyses are shown at the branch points of the tree.
