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The success which has been obtained in the serum diagnosis of typhoid fever led me to try an experiment with this method as an aid to the diagnosis of hog cholera, an affection due to a motile bacillus, the lesions of which, in the chronic form of the disease, resemble somewhat typhoid fever of the human subject.
Dawson (New York Medical Journal, Feb., 7, 1897) reports having obtained the reaction with the blood of a rabbit after inoculation with a bullion culture of the hog cholera bacillus, the reaction appearing promptly after injection.
An opportunity presenting itself a few weeks ago, I isolated the bacillus from an acute case of hog cholera and tested the agglutinating power of the blood serum of different animals upon it with the following result: Human blood serum from the placenta and dried blood from the finger tip, no effect; horse serum, no effect; rabbit
CASHIN JE. THE SERUM REACTION IN HOG CHOLERA. JAMA. 1897;XXVIII(17):784–785. doi:10.1001/jama.1897.02440170018001h
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