| Date | 1891 |
| Author | Councilman |
| Contribution | With Lafleur, described the detailed pathogenesis of dysentery and liver abscess caused by Entamoeba histolytica. |
| Reference | Foster |
| Notes | Introduced the term 'amebic dysentery', and suggested the existenc of pathogenic and nonpathogenic species of the parasite. See also Loesch. |
| Category | Causation |
| Pathogen Class | Protozoa |
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