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Upon the Inoculation of Materia Morbi through the Human Skin by Flea-bites
Published online by Cambridge University Press: 15 May 2009
Extract
1. When fleas bit through films of Tuberculin, Vaccine Lymph, and Staphylococcus Emulsion lying upon the human skin, no inoculation was observed in 188 instances out of 195. In six of the experiments with Tuberculin, inoculation followed, which possibly was not due to the flea-bites. Controls gave positive results.
2. When the same materials were rubbed over recent flea-bites, no inoculations followed. Controls were positive.
3. A very minute dose of Tuberculin, such as might be conveyed by a flea's proboscis, will produce a recognisable reaction in a susceptible person.
4. The bearing of the results on the question of plague transmission is discussed.
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- Copyright © Cambridge University Press 1911
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