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Article
August 1, 1908

MAY NOT DRINKING WATER, WHEN POLLUTED WITH SEWAGE, BE ONE MEDIUM OF DISSEMINATION OF THE TUBERCLE BACILLUS?

JAMA. 1908;LI(5):380-382. doi:10.1001/jama.1908.25410050020002e
Abstract

The tubercle bacillus may be introduced into the animal economy in various ways. The usual portals of entry are the mouth, nose, or an abraded surface. In cows it may obtain entrance through a milk duct or by way of the vagina. That it sometimes enters the fetus in utero through the medium of the circulation must be admitted, notwithstanding the opinion of many physicians to the contrary. Veterinarians tell us that it is not uncommon for cows to drop infected calves. This, of course, is entirely apart from a so-called inherited predisposition to tuberculosis, which may be either physiologic, consisting of such a condition of the tissues, and more especially of the mucous membranes, as will afford a receptive and favorable environment for the growth of the organism; or anatomic, depending on a conformation of the thorax, such as the deformities known as chicken-breast, winged chest or hollow chest,

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