| very | 13 | degree |
| in some cases | 6 | temporal |
| as vaccine candidates in mouse models | 5 | manner |
| virus → be → effective | 41 |
| virus → be → efficient | 17 |
| negative | neutral | positive |
| 0.296 | 0.473 | 0.231 |
| Raw frequency | 58 |
| Normalized frequency | 0.528 |
| Modifier score | 1.000 |
| Perplexity | 284.991 |