| Typicality: | 0.544 |
| Saliency: | 0.385 |
| to vaccination | 8 | cause |
| in different host species | 5 | other |
| to exploit new vectors | 5 | purpose |
| virus → evolve over → time | 17 |
| virus → evolve in → response | 5 |
| virus → evolve at → different rates | 4 |
| negative | neutral | positive |
| 0.333 | 0.590 | 0.077 |
| Raw frequency | 26 |
| Normalized frequency | 0.385 |
| Modifier score | 0.900 |
| Perplexity | 33.317 |