Table 1 Gene constellations of recombinant viruses used in this study.
Virus | HA | NA | Internal genes (PB1, PB2, PA, NP, M and NS) |
|---|---|---|---|
2m2H7N2:6WF10att | mH7 (VIVA/04) | N2 (VIVA/04) | WF10att |
2H7N2:6WF10att | H7 (VIVA/04) | N2 (VIVA/04) | WF10att |
2mH9N2:6WF10att | mH9 (WF10) | N2 (WF10) | WF10att |
2H9N2:6WF10att | H9 (WF10) | N2 (WF10) | WF10att |