title: A review of studies on immunization against protozoan diseases of animals.
mesh_terms: D000818:Animals; D001188:Artiodactyla; D001404:Babesiosis / Q000276:immunology; D001717:Birds; D002417:Cattle; D002645:Chickens; D003048:Coccidiosis / Q000276:immunology; D004539:Eimeria / Q000276:immunology; D007110:Immunity, Active; D007112:Immunity, Maternally-Acquired; D007114:Immunization / Q000662:veterinary*; D010527:Perissodactyla; D011528:Protozoan Infections / Q000276:immunology; D011529:Protozoan Infections, Animal; D011817:Rabbits; D013801:Theileriasis / Q000276:immunology; D014353:Trypanosomiasis, African / Q000276:immunology; D014422:Turkeys