| anywhere in the body | 7 | location |
| from a viral infection | 6 | other |
| suddenly | 3 | manner |
| infection → can → begin | 14 |
| infection → can → start | 12 |
| infection → can → originate | 5 |
| negative | neutral | positive |
| 0.709 | 0.263 | 0.028 |
| Raw frequency | 31 |
| Normalized frequency | 0.385 |
| Modifier score | 0.650 |
| Perplexity | 392.054 |