February 16, 1907


JAMA. 1907;XLVIII(7):616. doi:10.1001/jama.1907.02520330058011

Darwin has often been misquoted as stating that the human race sprung from the monkey tribe, when what he really said was that man and the monkeys probably came from a common ape-like ancestor. The work of the past five or six years with the precipitin test, and more especially the investigations of Nuttall, have in part substantiated Darwin's views, showing a close blood relationship between man and the higher apes. As showing the value which an apparently abstract piece of knowledge may have when applied to practical uses, the effect of this discovery on the investigation of infectious diseases may be cited. It is, of course, well known that a few years ago there were, and are still, a number of diseases which we regarded as undoubtedly infectious, in which absolute proof of their infectivity was lacking because the lower animals were not susceptible to infection with the supposed

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