A survey of Sarcocystis in nonhuman primates.

: Of the 375 wild-caught Old World and New World monkeys examined in this survey, 79 (21%) were infected with Sarcocystis, while 369 laboratory-born animals were negative. Four strucutrally different types of sarcocysts were observed; 2 were probably new species. New host records were recognized for 4 species of Asian macaques, 3 Africican cercopithecids, and the New World Saimiri sciureus.