| in many regions of the world | 6 | location |
| in china | 5 | location |
| in poultry | 5 | location |
| virus → be → enzootic | 14 |
| virus → become → enzootic | 5 |
| negative | neutral | positive |
| 0.574 | 0.410 | 0.015 |
| Raw frequency | 19 |
| Normalized frequency | 0.329 |
| Modifier score | 0.500 |
| Perplexity | 91.144 |