| at the site of injection | 29 | location |
| at malaise | 3 | location |
| sometimes | 2 | temporal |
| vaccine → cause → redness | 33 |
| vaccine → have → redness | 9 |
| vaccine → be → redness | 6 |
| vaccine → include → redness | 3 |
| negative | neutral | positive |
| 0.680 | 0.296 | 0.024 |
| Raw frequency | 51 |
| Normalized frequency | 0.386 |
| Modifier score | 0.713 |
| Perplexity | 81.668 |