Volume 17, Number 2—February 2011
    
    Research
Phocine Distemper Virus in Seals, East Coast, United States, 2006
Figure 4

Figure 4. Amino acid alignment of the fusion protein of phocine distemper virus (PDV) strains PDV/USA2006, PDV/Ulster88n, PDV/NL88n, and PDV/UK3541. Large boxes indicate amino acid changes and small boxes the position of silent mutations.
1These authors contributed equally to this article.
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