| on the day | 15 | temporal |
| along with the rash | 12 | other |
| often | 10 | temporal |
| person → have → headache | 241 |
| person → experience → headache | 230 |
| person → develop → headache | 48 |
| person → suffer → headache | 18 |
| person → suffer with → headache | 13 |
| person → experience → severe headaches | 7 |
| person → experience → severe headache | 6 |
| person → result in → headache | 4 |
| negative | neutral | positive |
| 0.759 | 0.221 | 0.020 |
| Raw frequency | 567 |
| Normalized frequency | 0.641 |
| Modifier score | 0.744 |
| Perplexity | 138.178 |