| Typicality: | 0.548 |
| Saliency: | 0.599 |
| for over a century | 4 | temporal |
| virus → cause → yellow fever | 55 |
| virus → include → yellow fever | 21 |
| virus → be related to → yellow fever | 7 |
| virus → be → yellow fever | 3 |
| negative | neutral | positive |
| 0.667 | 0.304 | 0.029 |
| Raw frequency | 86 |
| Normalized frequency | 0.599 |
| Modifier score | 0.900 |
| Perplexity | 443.048 |