| through vaccination | 2 | cause |
| through an unhealed umbilical cord stump | 2 | manner |
| mother → be → immune | 8 |
| mother → be not → immune | 6 |
| negative | neutral | positive |
| 0.387 | 0.471 | 0.142 |
| Raw frequency | 14 |
| Normalized frequency | 0.302 |
| Modifier score | 0.500 |
| Perplexity | 400.965 |