| with protecting the vaccine | 3 | transitive-object |
| about longevity | 2 | other |
| vaccine → be → concerned | 16 |
| vaccine → be → concern | 8 |
| vaccine → raise → concern | 4 |
| negative | neutral | positive |
| 0.468 | 0.453 | 0.078 |
| Raw frequency | 28 |
| Normalized frequency | 0.304 |
| Modifier score | 1.000 |
| Perplexity | 157.012 |