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November 21, 1896


JAMA. 1896;XXVII(21):1114. doi:10.1001/jama.1896.02430990038008

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In an article on the serum diagnosis of typhoid fever which appeared in our issue of October 31, page 962, we called attention to the action of one of the provincial boards of health of Canada in testing the practical utility of Dr. Wyatt Johnston's method of dealing with a little dried blood from the lobe of the ear or the tip of the finger of the patient under observation. We concluded our remarks by saying that no doubt other boards of health would take up the subject and aid in the advance of our knowledge of typhoid fever and other febrile conditions. The promptness with which Dr. Johnston's experiments have been verified shows that we did not over-estimate the energy of the bacteriologists in ever striving after something new, nor the enterprise of the health authorities in utilizing their work. Recent experiments in the bacteriologic laboratory of the Army

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