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March 14, 1891


JAMA. 1891;XVI(11):381-382. doi:10.1001/jama.1891.02410630021008

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During the past two years, a series of communications has been made to the Society of Biology at Paris, by Richet and Héricourt, giving their results obtained by intravenous injections and inoculations for the relief of tuberculosis. They have not been limited to any one inoculation-material, but since April, 1890, their attention has been especially directed to the blood of animals refractory to tuberculosis, as the dog, although they have also used non-bacillar products from old tubercular cultures. They have lately reported that dog's blood has been demonstrated to have a retarding effect in the case of rabbits where tuberculosis has been artificially produced, without, however, arresting the disease altogether. They next undertook to intensify, if possible, these partially protective properties of canine blood, by inoculating a dog with unmistakably active tuberculous matter, in large doses, and one month later, the animal having meanwhile lost flesh and given manifest signs

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