| as an intradermal injection in neonates | 2 | manner |
| vaccine → be in → phase | 9 |
| vaccine → undergo → phase | 3 |
| vaccine → entered → phase | 3 |
| negative | neutral | positive |
| 0.083 | 0.663 | 0.254 |
| Raw frequency | 15 |
| Normalized frequency | 0.219 |
| Modifier score | 0.700 |
| Perplexity | 340.457 |