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III. Study of Families Exposed to Their Toxoplasma-Infected Pet Dogs

CLARENCE R. COLE, D.V.M.; JOHN A PRIOR, M.D.; FRANK L. DOCTON, D.V.M.; DEANE M. CHAMBERLAIN, D.V.M.; SAMUEL SASLAW, M.D.

AMA Arch Intern Med. 1953;92(3):308-313.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

THERE are many potential sources of Toxoplasma infection in nature, but it is not known which is most important for man. The disease occurs in many species of animals and birds, including the rabbit, gondi, dog, mole, pigeon, mouse, rat, squirrel, monkey, guinea pig, wombat, baboon, vole, canary, chimpanzee, sheep, cat, and chinchilla. Twenty-seven fatal cases of toxoplasmosis (13 mammals and 14 birds) over a 10-year period were reported from the Philadelphia zoo.¹ Recently, we reported the isolation of Toxoplasma from swine, thus extending the host range to a new species.²

The organism, Toxoplasma gondii, causing animal infection, is morphologically, antigenically, and pathogenically similar to the organism causing the disease in man. Various animal reservoirs have been suggested as potential sources of human infections.³ More evidence is needed to substantiate the belief that animals serve as thereservoir for human toxoplasmosis. If animals are important in the epidemiology of human . . . [Full Text PDF of this Article]

Author Affiliations
COLUMBUS, OHIO

From the departments of veterinary pathology and medicine, Ohio State University, Columbus, Ohio.

Footnotes
This investigation was supported in part by a research grant from the National Institutes of Health, Public Health Service.

Dr. Leon Jacobs performed two human and three animal dye tests, and Dr. Claude S. Perry examined two of the patients.

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