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May 19, 1917


Author Affiliations

Professor of Protozoology and Chief, Department of Medical Zoology, College of Medicine and Surgery, University of the Philippines; Consulting Protozoologist, Philippine General Hospital MANILA, P. I.

JAMA. 1917;LXVIII(20):1470-1473. doi:10.1001/jama.1917.04270050172007

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The importance of the protozoa as the causative factors in many grave diseases is thoroughly recognized today by every alert practitioner, particularly those whose labors carry them into tropical or semitropical zones. There is likewise a gradual awakening to the fact that many parasitic protozoa do not restrict their activities to those localities, but, on the contrary, are exceedingly ubiquitous. With the opening up of new trade routes and the broadening and development of commerce to the Far East, South America and Africa, and as a result of conditions which are developing with the progress of the European war, they are gradually establishing themselves in cooler climes. The malarial parasite has long been known too well in North America, and there is a growing realization that endamebic dysentery is not by any means a rare malady in the same territory. The medical schools of the United States will have to

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