Natural Selection Determines Synonymous Codon Usage Patterns of Neuraminidase (NA) Gene of the Different Subtypes of Influenza A Virus in Canada
Figure 1
(a) Summary of the number of NA gene sequences for different subtypes of IAV found in Canada up to the year of 2013. (b) Summary of the number of NA gene sequences for different subtypes of IAV sequenced at each year in Canada up to the year of 2013.
