Table 1 Nucleotide and amino acid variability of the influenza A NS1 gene H1N1v isolates with respect to H1N1 and H3N2 isolates from previous seasonal epidemics in comparison with reference human (A/Brevig Mission/1/1918) and swine influenza A H1N1 (A/Swine/Oklahoma/042169/2008) isolates.
| Â | Mean % nucleotide identity (range) | Mean % amino acid identity (range) | ||
|---|---|---|---|---|
Influenza strains | A/Brevig Mission/1/1918 | A/Swine/Oklahoma/042169/2008 | A/Brevig_Mission/1/1918 | A/Swine/Oklahoma/042169/2008 |
H1N1 | 90.9 (90.4-91.5) | 81.8 (81.1-82.2) | 86.8 (85.4-87.4) | 79.2 (78.4-79.5) |
H3N2 | 88.0 (87.5-88.4) | 80.0 (79.3-80.4) | 82.7 (81.8-83.4) | 76.2 (74.2-77.1) |
H1N1v | 83.4 (83.1-83.7) | 93.8 (93.6-94.1) | 83.2 (82.2-83.9) | 92.1 (91.4-92.9) |