| commonly | 6 | degree |
| here in the united states | 5 | location |
| previously | 2 | temporal |
| virus → be found in → pig | 29 |
| virus → be detected in → pig | 7 |
| virus → originate in → pig | 5 |
| virus → be seen in → pig | 4 |
| negative | neutral | positive |
| 0.632 | 0.342 | 0.025 |
| Raw frequency | 45 |
| Normalized frequency | 0.483 |
| Modifier score | 0.700 |
| Perplexity | 51.487 |