| mosquito → cause → zika | 8 |
| mosquito → breed → the zika virus | 3 |
| mosquito → cause → zika virus | 3 |
| mosquito → cause → the zika virus | 3 |
| negative | neutral | positive |
| 0.697 | 0.230 | 0.073 |
| Raw frequency | 17 |
| Normalized frequency | 0.316 |
| Modifier score | 0.500 |
| Perplexity | 128.922 |