| said nucleic acid | 2 | other |
| alone | 2 | manner |
| vaccine → be made from → peptide | 6 |
| vaccine → contain → peptide | 5 |
| vaccine → be based on → peptide | 4 |
| vaccine → use → peptide | 3 |
| vaccine → comprise → peptide | 3 |
| negative | neutral | positive |
| 0.119 | 0.732 | 0.148 |
| Raw frequency | 21 |
| Normalized frequency | 0.265 |
| Modifier score | 0.500 |
| Perplexity | 42.543 |