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To the Editor:
—In reference to the article of Dr. George Mathers of Chicago on this subject (The Journal, Sept. 30, 1916, p. 1019), I beg to say that in the small epidemic of poliomyelitis which occurred in several of the western counties of Pennsylvania during the early autumn of 1907, a total of thirty-five cases of this disease were studied intensively, pathologically as well as clinically, and a report of these studies was published in the "Report of the Commissioner of Health" for the year 1907. In that study it was shown that a gram-positive diplococcus, such as the one mentioned by Dr. Mathers as having been found by him in eight cases of poliomyelitis in Chicago, was found in every one of the thirty-five cases studied by us in cultures made from the secretions from the noses and throats of these patients and in cultures of spinal fluid
Dixon SG. Bacteriologic Observations on Epidemic Poliomyelitis. JAMA. 1916;LXVII(19):1386–1387. doi:10.1001/jama.1916.02590190048024
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