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March 4, 1905

Special Article.

JAMA. 1905;XLIV(9):710-712. doi:10.1001/jama.1905.02500360042003

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IMMUNITY.  CHAPTER VI.THE ANTIBACTERIAL AND THE ANTITOXIC NATURE OF NATURAL IMMUNITY.In a previous page it has been stated that natural immunity may be either antibacterial or antitoxic. We have seen that the protection afforded by the body surfaces may be effective against both microbes and their toxins, and that local inflammatory processes, although most certainly antagonizing the bacteria, may at the same time have some antitoxic value.The term natural immunity, however, as indicated in the first section, has a peculiar application to the natural resistance of some species or races of animals to infections to which other species or races are susceptible; and to an unusual individual resistance often seen in members of a given race or species. This condition depends on properties residing in the tissues or fluids of the body, and consequently is independent of any protection which the body surfaces afford. Its presence is

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