| on the effectiveness of vaccines | 10 | transitive-object |
| on a large population of patients | 10 | transitive-object |
| on society | 7 | transitive-object |
| drug → have → impact | 57 |
| drug → have → what impact | 11 |
| drug → have → any impact | 5 |
| drug → be → impactful | 5 |
| drug → have → some impact | 3 |
| negative | neutral | positive |
| 0.332 | 0.535 | 0.133 |
| Raw frequency | 81 |
| Normalized frequency | 0.439 |
| Modifier score | 0.844 |
| Perplexity | 31.207 |