Natural Selection Determines Synonymous Codon Usage Patterns of Neuraminidase (NA) Gene of the Different Subtypes of Influenza A Virus in Canada

<table>CA plot of RSCU values of NA sequences for different subtypes of IAV in Canada. Different colors indicated different subtypes. Clearly, sequences from the same subtypes tended to group in the same clusters, except for those for the mixed group.</table>

Journal of Viruses

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Figure 4

Figure 4: Natural Selection Determines Synonymous Codon Usage Patterns of Neuraminidase (NA) Gene of the Different Subtypes of Influenza A Virus in Canada 

Figure 4 | Natural Selection Determines Synonymous Codon Usage Patterns of Neuraminidase (NA) Gene of the Different Subtypes of Influenza A Virus in Canada 