| at 20°c | 3 | location |
| too much | 2 | manner |
| during storage | 2 | temporal |
| vaccine → be → frozen | 42 |
| vaccine → be kept → frozen | 8 |
| vaccine → be → freeze | 3 |
| negative | neutral | positive |
| 0.441 | 0.508 | 0.050 |
| Raw frequency | 53 |
| Normalized frequency | 0.391 |
| Modifier score | 0.850 |
| Perplexity | 237.113 |