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JAMA. 1901;XXXVII(15):980. doi:10.1001/jama.1901.02470410032003.
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The demonstration by Flügge and his pupils in Breslau, and also by others, that tubercle bacilli are disseminated in fine sputum particles during the talking, coughing and sneezing of phthisical patients and the fact that guinea-pigs may be rendered tuberculous by exposing them to the coughing of the consumptive, have led to the belief that the dissemination and inhalation of droplets of sputum laden with bacilli may be one of the most important methods of spreading pulmonary tuberculosis. Of course the same method undoubtedly obtains in other diseases also, such as leprosy, influenza, the pulmonary form of pest, etc. Recently several new investigations along these lines, but with the special object of teaching us something practical with respect to the prevention of tuberculosis, have been published from Flügge's laboratory.1 Investigation by Heymann has shown that the dust which results from dried sputum is comparatively coarse, and for that reason


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