| Date | 1884 | 
| Author | Kitasato | 
| Contribution | Reported confirmation of "Nicolaier's Bacillus" as causative agent of tetanus. | 
| Reference | Foster | 
| Notes | See Nikolaier, 1884. Foster refers to a paper of 1889 -- presumably not Kitasato's first on the subject. Check this. | 
| Category | Causation | 
| Pathogen Class | Bacteria | 
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