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Maximum-likelihood tree with GTR+Γ model for the non-structural (NS) gene emphasizing the placement of the Eurasian-origin H10 and H14 isolates. North American (red) and Eurasian (blue) segments were selected based on the percent identity to the NS segment of A/long-tailed duck/Wisconsin/10OS3919/2010(H10N6), and the 500 most similar nucleotide sequences that were publically available.
