| to prevent transmission of infectious agents | 4 | purpose |
| into a body | 2 | transitive-object |
| needle → be used for → injection | 59 |
| needle → be used in → injection | 12 |
| needle → be used to give → injection | 8 |
| needle → be used for → the injection | 7 |
| needle → be used for → subsequent injection | 3 |
| needle → be used for → each injection | 3 |
| negative | neutral | positive |
| 0.295 | 0.527 | 0.178 |
| Raw frequency | 92 |
| Normalized frequency | 0.530 |
| Modifier score | 0.900 |
| Perplexity | 109.799 |