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May 7, 1904


JAMA. 1904;XLII(19):1219-1221. doi:10.1001/jama.1904.02490640029005

American medicine is just now experiencing a boom in protozoa. Following the work of Gaylord and the New York State Board of Health Cancer Laboratory, urging as the most probable cause of cancer certain bodies resembling protozoa, we have had the reports from Councilman and his coworkers in Boston concerning the protozoan etiology of variola and vaccinia, and also the observations by Mallory of certain structures in the skin in scarlet fever, which he considers probably protozoa, and to which he is inclined to ascribe etiologic importance. In Ann Arbor, Novy and McNeal have succeeded in cultivating the trypanosoma, an important step in the study of parasitic diseases. Wilson and Chowning have apparently found the cause of the peculiar and fatal spotted fever of Montana to be an organism of the same sort. Again, the demonstration by Reed and Carroll that the causative agent of yellow fever is transmitted by