| Date | 1845 |
| Author | Budd |
| Contribution | Accepted parasitic cause of a liver disease. |
| Reference | Grove |
| Notes | George Budd. He learned of the trematode Fasciolopsis from Busk (see 1843) and included it in his treatise on liver diseases. Also cited in Garrison & Morton. |
| Category | Causation |
| Pathogen Class | Helminths |
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