| particularly | 26 | degree |
| in north america | 7 | location |
| with respect to vaccines | 6 | other |
| concern → be → acute | 24 |
| concern → become → acute | 7 |
| concern → be → most acute | 5 |
| negative | neutral | positive |
| 0.489 | 0.474 | 0.037 |
| Raw frequency | 36 |
| Normalized frequency | 0.415 |
| Modifier score | 0.500 |
| Perplexity | 87.433 |