| very | 113 | degree |
| rarely | 17 | degree |
| for adults | 11 | other |
| disease → be → serious | 359 |
| disease → be considered → serious | 8 |
| disease → be → serious one | 6 |
| disease → be → serious condition | 6 |
| disease → be → serious illness | 4 |
| disease → be → serious matter | 3 |
| disease → be → serious medical condition | 3 |
| negative | neutral | positive |
| 0.701 | 0.236 | 0.063 |
| Raw frequency | 389 |
| Normalized frequency | 0.790 |
| Modifier score | 0.522 |
| Perplexity | 158.759 |