| Typicality: | 0.558 |
| Saliency: | 0.419 |
| in teenagers | 2 | location |
| for the doses | 2 | purpose |
| vaccine → protect against → pertussis | 40 |
| vaccine → prevent → pertussis | 22 |
| vaccine → help prevent → pertussis | 3 |
| negative | neutral | positive |
| 0.176 | 0.567 | 0.257 |
| Raw frequency | 65 |
| Normalized frequency | 0.419 |
| Modifier score | 0.900 |
| Perplexity | 28.187 |