| with other viruses | 3 | other |
| to create new varieties | 3 | purpose |
| in pigs | 3 | location |
| virus → swap → gene | 15 |
| virus → swap → genetic material | 4 |
| negative | neutral | positive |
| 0.411 | 0.550 | 0.040 |
| Raw frequency | 19 |
| Normalized frequency | 0.329 |
| Modifier score | 0.900 |
| Perplexity | 145.317 |