| Date | 1878 |
| Author | Toussaint |
| Contribution | Extended Perroncito's work on the agent of fowl cholera (later Pasteurella septica); sent agent to Pasteur. |
| Reference | Geison |
| Notes | He grew it in a medium of neutralized urine (as Pasteur had grown the anthrax bacillus). Reported '78 and/or '79? According to Geison, in Dec. 1878 Toussaint sent to Pasteur the blood of a cock that had died of chicken cholera. This was the source material for Pasteur's work on the culture of the organism - from which arose his famous work on the immunogicity of attenuated bacteria. See 1879, 1880. |
| Category | Causation |
| Pathogen Class | Bacteria |
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