| Clue | Source | Date |
|---|---|---|
| Key English river dredged at last, decontaminated | ||
| Soul, after treatment, indeed scratching no more? | ||
| Soul, after treatment, indeed scratching no more? | The Guardian Cryptic | 03 Mar 2022 |
| Picked nits | ||
| Picked nits | New York Times | 22 Dec 2019 |
| We'll regularly put out boxes, free of pests | ||
| Cleansed of parasites |