| Date | 1850 |
| Author | Semmelweis |
| Contribution | Published his use of a disinfectant to prevent human disease. |
| Reference | Brock (1961) |
| Notes | See other (1847) entry for Semmelweis. This entry records the publication of work carried out during the preceding years. English translation in Brock's 1961 book. |
| Category | Miscellany |
| Pathogen Class | General |
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