From: Phylogenetic analysis of the non-structural (NS) gene of influenza A viruses isolated from mallards in Northern Europe in 2005
NS1 % similarity
NEP % similarity
Comparsion
Aminoacids
Nucleotide
Within allele A
95–100%
88–100%
93–100%
Within allele B
98–100%
97–100%
90–100%
Between allele A and B
68–72%
67–70%
76–83%
71–77%