| Typicality: | 0.373 |
| Saliency: | 0.289 |
| for use in individuals | 4 | purpose |
| vaccine → be licensed in → 1995 | 14 |
| vaccine → be introduced in → 1995 | 11 |
| negative | neutral | positive |
| 0.352 | 0.543 | 0.105 |
| Raw frequency | 25 |
| Normalized frequency | 0.289 |
| Modifier score | 0.500 |
| Perplexity | 54.086 |