| to measles from past exposures | 11 | other |
| to measles | 6 | other |
| probably | 4 | degree |
| adult → be → immune | 20 |
| adult → be considered → immune | 13 |
| negative | neutral | positive |
| 0.257 | 0.592 | 0.151 |
| Raw frequency | 33 |
| Normalized frequency | 0.429 |
| Modifier score | 0.882 |
| Perplexity | 177.154 |