| to the body | 6 | transitive-object |
| from viruses | 4 | other |
| antigen → be → foreign | 17 |
| antigen → be → foreign bodies | 3 |
| antigen → be → foreign body | 3 |
| negative | neutral | positive |
| 0.382 | 0.583 | 0.035 |
| Raw frequency | 23 |
| Normalized frequency | 0.455 |
| Modifier score | 0.933 |
| Perplexity | 139.844 |