“…These small nematodes are prevalent in most tropical and subtropical areas, but their occurrence in the temperate zones is sporadic. Several species have been reported to affect nonhuman primates: Strongyloides cebus has been found in New World monkeys (cebus monkeys, woolly monkeys, spider monkeys, squirrel monkeys, and marmosets) [207,290,437,461,492,541,634,650,752,791], Strongyloides fulleborni in Old World monkeys and great apes (rhesus monkeys, cynomolgus monkeys, guenons, baboons, and chimpanzees) [290, 345, and great apes (gibbons, chimpanzees, gorillas, and orangutans) [38,171,177,222,285,290,360,504,570,650,672,687,774,791,857,861,922]. Only adult females and larvae are found in the gastrointestinal tract of the host animal.…”