| Typicality: | 0.232 |
| Saliency: | 0.164 |
| so far | 4 | temporal |
| despite the global scientific efforts | 3 | other |
| vaccine → remain → elusive | 6 |
| vaccine → be → elusive | 4 |
| negative | neutral | positive |
| 0.571 | 0.403 | 0.026 |
| Raw frequency | 10 |
| Normalized frequency | 0.164 |
| Modifier score | 0.500 |
| Perplexity | 378.300 |