| Typicality: | 0.284 |
| Saliency: | 0.346 |
| despite extensive research | 5 | other |
| vaccine → be → discovered | 25 |
| vaccine → be → determined | 8 |
| vaccine → be → identified | 5 |
| negative | neutral | positive |
| 0.283 | 0.572 | 0.145 |
| Raw frequency | 38 |
| Normalized frequency | 0.346 |
| Modifier score | 0.150 |
| Perplexity | 144.759 |