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Occurrence of Cattle Sarcocystis Species in Raw Kibbe from Arabian Food Establishments in the City of São Paulo, Brazil, and Experimental Transmission to Humans
Hilda F. de J. Pena, Saemi Ogassawara and Idércio L. Sinhorini
The Journal of Parasitology
Vol. 87, No. 6 (Dec., 2001), pp. 1459-1465
Stable URL: http://www.jstor.org/stable/3285319
Page Count: 7
You can always find the topics here!Topics: Cysts, Sarcocysts, Volunteerism, Memory interference, Parasitology, Meats, Human experimentation, Beef, Experimental infection, Humans
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Fifty samples of raw kibbe from 25 Arabian restaurants in the city of São Paulo, Brazil, were examined for the presence of bovine Sarcocystis species, using light and electron microscopy, and for infectivity to humans. Sarcocysts were found in all 50 samples. Based on cyst wall structure, S. hominis (94%), S. hirsuta (70%), and S. cruzi (92%) were identified (mostly as mixed infections). Different raw kibbe samples, positive for S. hominis in fresh preparations, were offered as a meal for 7 human volunteers. Six volunteers (85.7%), 2 of whom developed diarrhea, excreted sporocysts in feces. The prepatent period lasted 10-14 (12 ± 1.8) days and the patent period lasted 5-12 (8.8 ± 1.1) days.
The Journal of Parasitology © 2001 The American Society of Parasitologists