Figure 1From: Genetic divergence of influenza A NS1 gene in pandemic 2009 H1N1 isolates with respect to H1N1 and H3N2 isolates from previous seasonal epidemicsDistribution of polymorphic codons in NS1 gene. Schematic of influenza A NS1 gene domains and distribution of polymorphic codons in H1N1v isolates with respect to H1N1 and H3N2 isolates from previous seasonal epidemics.Back to article page