| Typicality: | 0.287 |
| Saliency: | 0.291 |
| after studying dozens of cases | 2 | temporal |
| disease → be identified in → 1970 | 9 |
| disease → be discovered in → 1970 | 9 |
| negative | neutral | positive |
| 0.571 | 0.410 | 0.019 |
| Raw frequency | 18 |
| Normalized frequency | 0.291 |
| Modifier score | 0.500 |
| Perplexity | 22.844 |