| in them | 13 | location |
| as of the 21st century | 7 | temporal |
| in the form of thimerosal | 6 | other |
| vaccine → contain → mercury | 280 |
| vaccine → have → mercury | 19 |
| vaccine → include → mercury | 8 |
| vaccine → contain → methyl mercury | 3 |
| vaccine → use → mercury | 3 |
| negative | neutral | positive |
| 0.714 | 0.268 | 0.019 |
| Raw frequency | 313 |
| Normalized frequency | 0.633 |
| Modifier score | 0.715 |
| Perplexity | 89.195 |