| very | 23 | degree |
| in populations with endemic infection | 10 | location |
| in people | 8 | location |
| symptom → be → rare | 106 |
| symptom → be → uncommon | 29 |
| negative | neutral | positive |
| 0.419 | 0.505 | 0.077 |
| Raw frequency | 135 |
| Normalized frequency | 0.513 |
| Modifier score | 0.467 |
| Perplexity | 22.747 |