| Date | 1814 |
| Author | Mease |
| Contribution | Reported observations on natural transmission of Texas Cattle Fever. |
| Reference | Roncalli |
| Notes | He stated in a lecture that Texas Cattle Fever had been transmitted to Northern cattle by movement of healthy cattle from the South. This suggests a "carrier" status, but did Mease suggest germ etiology? Roncalli, AAVP Newsletter, (Amer. Assoc. Vet. Parasitol.) 1990. |
| Category | Causation |
| Pathogen Class | General |
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