| from totally benign viruses | 3 | other |
| from a number of different viruses | 3 | other |
| virus → can → range | 5 |
| virus → can → vary | 5 |
| virus → have → quite a bit of variation | 3 |
| negative | neutral | positive |
| 0.570 | 0.399 | 0.031 |
| Raw frequency | 13 |
| Normalized frequency | 0.262 |
| Modifier score | 0.500 |
| Perplexity | 268.631 |