| highly | 19 | degree |
| in africa | 16 | location |
| in tropical and subtropical regions | 15 | location |
| malaria → be → common | 154 |
| malaria → be → prevalent | 152 |
| malaria → be → widespread | 40 |
| malaria → be → frequent | 6 |
| malaria → be → commonplace | 3 |
| negative | neutral | positive |
| 0.506 | 0.441 | 0.053 |
| Raw frequency | 355 |
| Normalized frequency | 0.939 |
| Modifier score | 0.900 |
| Perplexity | 65.367 |