| Typicality: | 0.677 |
| Saliency: | 1.000 |
| after significant epidemics in yambuku | 4 | temporal |
| from the ebola river | 3 | location |
| ebola virus → be discovered in → 1976 | 15 |
| ebola virus → be identified in → 1976 | 8 |
| ebola virus → appear in → 1976 | 4 |
| ebola virus → be detected in → 1976 | 3 |
| negative | neutral | positive |
| 0.483 | 0.489 | 0.028 |
| Raw frequency | 30 |
| Normalized frequency | 1.000 |
| Modifier score | 0.500 |
| Perplexity | 18.912 |