| Date | 1886 |
| Author | Leichtenstern |
| Contribution | Infected humans with hookworm by giving larvae orally. |
| Reference | Foster |
| Notes | Not in index of Foster's 1965 book, but appears on page 85 ! The oral route was subsequently confirmed by others, but is considered very much secondary to the cutaneous route (discovered 12 years later). |
| Category | Miscellany |
| Pathogen Class | Helminths |
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