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Science 18 July 1975:
Vol. 189. no. 4198, pp. 222 - 224
DOI: 10.1126/science.806116
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Articles

Science, Vol 189, Issue 4198, 222-224
Copyright © 1975 by American Association for the Advancement of Science

articles

Hammondia hammondi: A new coccidium of cats producing cysts in muscle of other mammals

JK Frenkel and JP Dubey

Predominant muscle parasitism, and an obligatory two-host cycle (cat-mouse-cat), distinguishes an otherwise similar organism from Toxoplasma. The presence of multiplicative stages in the cat gut separate it from Sarcocystis. Antibody that cross reacts with Toxoplasma antigen is developed in mice and other experimental intermediary hosts, but not in cats, the final host. Recognition of the two-host cycle is essential for the experimental isolation and transmission of the parasite, and for prevention of the infection.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)