| Clue | Source | Date |
|---|---|---|
| Viral disease of parrots that can be passed on to humans | ||
| Contagious disease of birds (11) | ||
| Infectious disease of parrots and other birds that can be transmitted to humans | Mirror Quiz | 12 Jul 2024 |
| Contagious disease transmitted by parrots | The Guardian Speedy | 21 Aug 2022 |
| Disease of birds | The Times Concise | 06 Feb 2019 |