| in birds | 12 | location |
| only rarely | 2 | degree |
| virus → cause → influenza | 143 |
| virus → cause → influenza-like illness | 5 |
| virus → lead to → influenza | 3 |
| virus → create → influenza | 3 |
| virus → cause → influenza a | 3 |
| negative | neutral | positive |
| 0.582 | 0.321 | 0.097 |
| Raw frequency | 157 |
| Normalized frequency | 0.706 |
| Modifier score | 0.660 |
| Perplexity | 89.860 |