| Date | 1884 |
| Author | Loeffler |
| Contribution | b. Reported agent of diphtheria. |
| Reference | Garrison |
| Notes | He maintained that the bacillus that Klebs had seen in diphtheria in 1882 (1883) was indeed the cause of diphtheria, probably acting by production of toxin; see 1888. Although a disciple and subordinate of Koch at the time of the discovery, Loeffler was obliged to admit that his "proof" did not satisfy Koch's postulates. |
| Category | Causation |
| Pathogen Class | Bacteria |
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