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Nucleic acid sequence of the neuraminidase gene from the B/Ontario/006876/2011 virus isolated from matching primary (P) and culture (C) specimens. In comparison to the wild-type (WT) reference control strain (B/Wisconsin/10/2008 ACT20880), position 273 in the wild-type virus contains a histidine (H) residue whereas tyrosine is present at this position in B/Ontario/006876/2011. Note also the genetic alterations at positions 46 (T46P), 153 (L153M), 288 (E288G), and 395 (T395A).
