| often | 10 | degree |
| in humans | 7 | other |
| extremely | 4 | degree |
| ebola → be → fatal | 17 |
| ebola → be → lethal | 9 |
| ebola → be → severe, fatal disease | 3 |
| ebola → be → fatal disease | 3 |
| negative | neutral | positive |
| 0.908 | 0.086 | 0.007 |
| Raw frequency | 32 |
| Normalized frequency | 0.640 |
| Modifier score | 0.680 |
| Perplexity | 50.775 |