| Date | 1886 |
| Author | Calandruccio |
| Contribution | Infected himself with Trichuris (whipworm) by ingesting eggs. |
| Reference | Grove |
| Notes | The finding was reported by Grassi in the following year. Evidence of a direct lifecycle had previously been reported for domestic animals. |
| Category | Causation |
| Pathogen Class | Helminths |
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