356 Letters coordinating system among agencies at all levels and deal with the threat of widespread , multistate/international foodborne outbreaks caused by infectious or toxic agents. To the Editor: Human infection with the parasitic protozoa, Cyclospora, was first described in 1979 (1), and the organism was only recently categorized as an important gastrointestinal parasite. A single species,...

human infection with the coccidia parastite, isospora belli is relatively uncommon. human isosporiasis in iran was first reported by hadjian in 1961. 5 yearly, about 200 stool samples have been examined by direct and formol-ether concentration techniques in the protozoology unit, school of public health, tehran university of medical sciences. in addition to the common protozoal and helminthic i...

Fecal samples from 3 species of Onychomys (Rodentia: Muridae) captured in New Mexico and Arizona were examined for coccidia. Six of the 59 (10%) were infected with a new species of Eimeria. Sporulated oocysts (n = 105) of this new species are subspheroidal, 17.4 x 16.1 (14-21 x 13-19) microm, with ellipsoidal sporocysts 10.4 x 5.7 (9-12 x 5-8) microm. This species occurred in 3 of 24 (13%) Onyc...