| quickly | 11 | manner |
| no longer | 10 | temporal |
| during the swine flu incubation period | 7 | temporal |
| virus → be → detected | 335 |
| virus → be → spotted | 7 |
| virus → be detected in → addition | 3 |
| negative | neutral | positive |
| 0.361 | 0.565 | 0.074 |
| Raw frequency | 345 |
| Normalized frequency | 0.846 |
| Modifier score | 0.471 |
| Perplexity | 161.394 |