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A New Coccidian Parasite (Apicomplexa: Eimeriidae) from Humans

Ynés R. Ortega, Robert H. Gilman and Charles R. Sterling
The Journal of Parasitology
Vol. 80, No. 4 (Aug., 1994), pp. 625-629
DOI: 10.2307/3283201
Stable URL: http://www.jstor.org/stable/3283201
Page Count: 5
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
A New Coccidian Parasite (Apicomplexa: Eimeriidae) from Humans
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Abstract

A new coccidian parasite has been found in stool specimens of humans with and without diarrhea. The oocyst of this parasite measures 8.6 µm in diameter (7.7-9.9 µm), with ovoid sporocysts 4.0 x 6.3 (3.3-4.4 x 5.5-7.1) µm. Each oocyst has 2 sporocysts and each sporocyst contains 2 sporozoites. Based on these characteristics and the structures observed by electron microscopy, this parasite has been classified in the genus Cyclospora. We propose the name Cyclospora cayetanensis n. sp. for this new human parasite.

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