| easily | 11 | manner |
| always | 5 | temporal |
| so rapidly | 4 | manner |
| virus → can → mutate | 44 |
| virus → could → mutate | 21 |
| virus → be able to → mutate | 10 |
| virus → be likely to → mutate | 7 |
| negative | neutral | positive |
| 0.572 | 0.376 | 0.052 |
| Raw frequency | 82 |
| Normalized frequency | 0.590 |
| Modifier score | 0.717 |
| Perplexity | 66.291 |