| with headaches | 6 | other |
| very | 4 | degree |
| with rashes on the skin | 3 | other |
| symptom → be similar to → flu | 5 |
| symptom → be similar to → the flu | 5 |
| symptom → be similar to → those of the common flu | 3 |
| negative | neutral | positive |
| 0.736 | 0.250 | 0.014 |
| Raw frequency | 13 |
| Normalized frequency | 0.267 |
| Modifier score | 0.600 |
| Perplexity | 10.500 |