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December 24, 1910


JAMA. 1910;55(26):2238-2240. doi:10.1001/jama.1910.04330260046019

RELATIVE IMPORTANCE OF BOVINE AND HUMAN TUBERCLE BACILLI IN HUMAN TUBERCULOSIS  Since Koch's sensational announcement in 1901, to the effect that human and bovine tuberculosis are not identical, and that the occurrence of bovine tuberculosis in man is so rare that no special protective measures are indicated with respect thereto, numerous investigations have been made in regard to the relationship of bovine and human tubercle bacilli. An especially valuable study of this question has been made recently in the research laboratory of the department of health of New York City.1 Park and Krumwiede point out that it is of great importance to know as definitely as possible the actual percentage of bovine infection in man, because if bovine tuberculosis occurs to an appreciable extent steps must be taken to prevent the milk-supply, especially of large cities, from carrying tubercle bacilli. In order to contribute to the solution of the problem in question, the New York investigators have studied carefully the types