| subsequently | 3 | temporal |
| privately | 3 | manner |
| from supplier | 3 | other |
| vaccine → be → purchased | 22 |
| vaccine → be purchased by → health facilities | 3 |
| vaccine → be purchased under → circumstance | 3 |
| negative | neutral | positive |
| 0.342 | 0.592 | 0.066 |
| Raw frequency | 28 |
| Normalized frequency | 0.304 |
| Modifier score | 0.800 |
| Perplexity | 463.189 |