| Date | 1844 |
| Author | Bassi |
| Contribution | Used calcium chloride as an area disinfectant to control muscardine (fungus) in silkworms. |
| Reference | Lechevalier |
| Notes | Agostino Bassi also suggested that diseases such as plague and syphilis are caused by germs. |
| Category | Causation |
| Pathogen Class | Fungi |
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