| Typicality: | 0.416 |
| Saliency: | 0.519 |
| very | 9 | degree |
| notoriously | 2 | manner |
| often | 2 | temporal |
| virus → be difficult to → detect | 29 |
| virus → be hard to → detect | 9 |
| virus → be difficult to → track | 7 |
| virus → be difficult to → identify | 4 |
| virus → be difficult to → detected | 3 |
| virus → be difficult to → distinguish | 3 |
| negative | neutral | positive |
| 0.708 | 0.255 | 0.037 |
| Raw frequency | 55 |
| Normalized frequency | 0.519 |
| Modifier score | 0.600 |
| Perplexity | 30.966 |