Table 2. Global, inner and outer dN/dS values for NA and HA1.
| Segment | Sequence length (codons) | dN/dS | ||
| Overall | Internal | External | ||
| NA | 470 | 0.249 | 0.250 | 0.248 |
| HA1 | 329 | 0.362 | 0.350 | 0.371 |
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