| Typicality: | 0.617 |
| Saliency: | 0.860 |
| near the ebola river | 9 | location |
| in yambuku | 6 | location |
| ebola → appear in → 1976 | 33 |
| ebola → be discovered in → 1976 | 26 |
| ebola → be identified in → 1976 | 8 |
| ebola → emerge in → 1976 | 5 |
| negative | neutral | positive |
| 0.330 | 0.634 | 0.037 |
| Raw frequency | 72 |
| Normalized frequency | 0.860 |
| Modifier score | 0.500 |
| Perplexity | 67.208 |