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Amino acid differences between the two H5N6 avian influenza viruses. The amino acid differences between GD/330 and FJ/160 are shown as single letters at the indicated positions. Each amino acid of GD/330 is shown before the number of the position, and each amino acid of FJ/160 is shown after the number of the position. The amino acid positions in HA1 for H3 numbering are shown in brackets.
