| Typicality: | 0.503 |
| Saliency: | 0.492 |
| in several countries | 15 | location |
| currently | 9 | temporal |
| with the hope | 7 | purpose |
| vaccine → be in → development | 69 |
| vaccine → be under → development | 34 |
| vaccine → be in → early stages of development | 5 |
| vaccine → be in → the research stage | 3 |
| negative | neutral | positive |
| 0.165 | 0.666 | 0.169 |
| Raw frequency | 111 |
| Normalized frequency | 0.492 |
| Modifier score | 0.633 |
| Perplexity | 64.618 |