| Date | 1871 |
| Author | Tiegel |
| Contribution | Reported result of filtering anthrax blood through plaster of Paris. |
| Reference | Anon. |
| Notes | Material filtered out was infective, but filtrate was not. In his paper circa 1991, K. C. Carter says: work was under direction of Klebs; was attempt to answer contemporary ojections to germ theory [of Davaine and others]; was not widely successful. |
| Category | Causation |
| Pathogen Class | Bacteria |
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