| Date | 1850 |
| Author | Davaine |
| Contribution | Saw bacillus in blood of sheep dead from anthrax. |
| Reference | Long |
| Notes | And showed transmission? With Rayer? Delafonde? Davaine worked on anthrax 1850-65. See 1863. He associated large number of organisms with severity of disease. |
| Category | Causation |
| Pathogen Class | Bacteria |
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