| with no substantive proof | 5 | other |
| vaccine → cause → asthma | 18 |
| vaccine → be linked to → asthma | 6 |
| vaccine → be associated with → asthma | 4 |
| vaccine → trigger → asthma | 3 |
| negative | neutral | positive |
| 0.745 | 0.239 | 0.015 |
| Raw frequency | 31 |
| Normalized frequency | 0.318 |
| Modifier score | 0.500 |
| Perplexity | 107.980 |