| Typicality: | 0.399 |
| Saliency: | 0.478 |
| often | 22 | temporal |
| for years | 9 | temporal |
| for some time | 5 | temporal |
| disease → go → undetected | 48 |
| disease → gone → undetected | 5 |
| disease → go → undiscovered | 4 |
| negative | neutral | positive |
| 0.573 | 0.358 | 0.069 |
| Raw frequency | 57 |
| Normalized frequency | 0.478 |
| Modifier score | 0.600 |
| Perplexity | 107.129 |