Immunity to protozoa and worms
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BALB/c Mice Immunity to Hydatidosis Induced by In-vitro Reared Echinococcus granulosus Adult Worm Antigens
Background: Echinococcosis is a zoonotic parasitic disease caused by the larval stage of Echinococcus granulosus. Several native and recombinant antigens, derived from different stages of E. granulosus life cycle, have been used for vaccine trials. In vitro reared adult worms are good candidates for vaccination as they do not produce fertile egg/s and do not have any risk of contamination for r...
متن کاملEpidemiologic Survey of Intestinal Parasites in School Children of Shahriar in 1993
To determine the prevalence of intestinal parasites in school children of Shariar, 1902 students (58 % male, 42 % female) were randomly selected from 22 schools in rural and urban regions of Shahriar. After filling out a questionnaire from the selected students, fresh stool samples were examined for the presence of intestinal parasites and determining this tynos. The age of study population wa...
متن کاملToxinology of Venomous Marine Worms; A Review
Although the widespread distribution of venomous marine worms around the world, the structural and toxinologcal studies of their toxins are still limited.This study was aimed to evaluate the toxicity of poisonous marine worms. Touching the cilium of Chloeia flava and Sipuncula marine worms cause painful inflammation of the skin. Many species of nemertines prey their victims by a flexible prob...
متن کاملInternal Parasites of Horses and Mules
THE DOMESTIC EQUINES provide shelter and subsistence to approximately 150 kinds of protozoa and worms which live, as internal parasites.^ There are few horse owners who have not had some first-hand experience with many of these, and nearly everyone is familiar, in one way or another, with at least some of them. Among the protozoa are the blood-inhabiting trypanosomes and piroplasmata, the cilia...
متن کاملBlood Parasites in Captive Penguins
Birds may be host to a number of species of blood-inhabiting protozoa and nematode worms transmitted by haematophagous arthropods. Protozoan parasites include haemosporidia in the genera Plasmodium, Haemoproteus, Leucocytozoon, Hepatozoon, and Babesia, and haemoflagellates in the genus Trypanosoma. Most families of birds are susceptible to blood protozoal infection in the wild (Bennett et al. 1...
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