| after vaccination | 7 | temporal |
| at any time | 6 | temporal |
| during a fever | 6 | temporal |
| child → have → seizure | 167 |
| child → experience → seizure | 24 |
| child → suffer → seizure | 23 |
| child → develop → seizure | 11 |
| child → had → seizure | 7 |
| child → have → severe seizures | 3 |
| child → experienced → seizure | 3 |
| negative | neutral | positive |
| 0.615 | 0.341 | 0.044 |
| Raw frequency | 238 |
| Normalized frequency | 0.619 |
| Modifier score | 0.593 |
| Perplexity | 344.088 |