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Hemagglutinin (HA) Amino Acid Sequence Comparison of Strains Cal/09, NJ/76, NC/99, and FW/50
| Comparison | Whole Protein (HA0) (% Identity) | Globular Head Residues 52–277 H3 Numbering (% Identity) | Stalk (% Identity) |
|---|---|---|---|
| Cal/09 vs NJ/76 | 91.0 | 85.9 | 94.6 |
| Cal/09 vs NC/99 | 79.9 | 67.1 | 88.9 |
| NJ/76 vs NC/99 | 82.5 | 69.7 | 91.6 |
| NJ/76 vs FW/50 | 83.0 | 69.8 | 90.9 |
