| Typicality: | 0.343 |
| Saliency: | 0.219 |
| after an initial vaccination series | 6 | temporal |
| vaccine → last for → two to three years | 6 |
| vaccine → last for → three years | 3 |
| vaccine → be good for → three years | 3 |
| vaccine → last for → up to 3 years | 3 |
| negative | neutral | positive |
| 0.084 | 0.576 | 0.339 |
| Raw frequency | 15 |
| Normalized frequency | 0.219 |
| Modifier score | 0.500 |
| Perplexity | 34.925 |