The Record of Ancylostoma braziliense as an Intestinal Parasite of Man in North America

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  • The Tulane University of Louisiana, School of Medicine, Department of Tropical Medicine and Public Health, New Orleans 12, Louisiana
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Records of patent Ancylostoma braziliense infections in man have been reviewed by Stoll (1947) and Biocca (1951). Biocca's studies indicated that A. ceylanicum, generally regarded as a synonym of A. braziliense, is a valid species which in some parts of the world is a relatively frequent intestinal parasite of man, whereas the occurrence of A. braziliense in the intestine of man will require further proof. A. braziliense in a Texas boy, reported by Dove (1928, 1932), was accepted by Stoll as a verified record, and is the only such report of human infection in North America.

Dove's report was based chiefly on the following observations:

(1) Between September, 1927 and February, 1928, larvae cultured from a boy's stool were inoculated into three “clean” kittens and one pup. Worms later removed from these animals were identified as Ancylostoma braziliense. These findings were regarded as proof that the boy harbored an intestinal infection of A. braziliense.

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