| Date | 1898 |
| Author | Councilman |
| Contribution | With colleagues, published major report on cerebro-spinal meningitis. |
| Reference | Anon. |
| Notes | Gave unequivocal evidence of causation by Diplococcus (later named Neisseria). See 1887, 1896. |
| Category | Causation |
| Pathogen Class | Bacteria |
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