| thoroughly | 3 | manner |
| in order to find vaccines | 3 | purpose |
| for 120 min | 2 | temporal |
| virus → be → tested | 31 |
| virus → be → measured | 5 |
| virus → be → assayed | 3 |
| virus → be → assessed | 3 |
| negative | neutral | positive |
| 0.324 | 0.622 | 0.054 |
| Raw frequency | 42 |
| Normalized frequency | 0.471 |
| Modifier score | 1.000 |
| Perplexity | 315.074 |