| Typicality: | 0.297 |
| Saliency: | 0.316 |
| disease → be identified in → 1975 | 10 |
| disease → be discovered in → 1975 | 5 |
| disease → be recognized in → 1975 | 3 |
| disease → be reported in → 1975 | 3 |
| negative | neutral | positive |
| 0.495 | 0.484 | 0.022 |
| Raw frequency | 21 |
| Normalized frequency | 0.316 |
| Modifier score | 0.500 |
| Perplexity | 70.012 |