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October 10, 1931

Die Tuberkulose und ihre Grenzgebiete in Einzeldarstellungen: Beihefte zu den Beiträgen zur Klinik der Tuberkulose und spezifischen Tuberkuloseforschung.

JAMA. 1931;97(15):1099. doi:10.1001/jama.1931.02730150055035

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Abstract

This short and scholarly contribution to the epidemiology of tuberculosis is divided into thirteen parts, with a short introduction. In the "Measure of Epidemiology," Gill's genesis of epidemics and the natural history of diseases is discussed. In diseases as varied as influenza and malaria, four factors play their parts: the reservoir of the infective agent, the potency of the parasite, the factor of immunity, and the possibility of conveyance. These narrow down in tuberculosis to the amount of infection and of immunity. In all epidemic contagious diseases the frequency, the duration, the result and the connection with certain ages of the persons afflicted are all important factors and in these respects tuberculosis leads all other infectious and epidemic diseases. The epidemiology of tuberculosis is best understood when the disease incidence is classified according to age. In infancy, tuberculosis behaves like an acute infectious disease, with a high mortality and a

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