| occurrence of severe leptospirosis in a breeding colony of squirrel monkeys. | although experimental leptospirosis has been studied in various species of monkeys, the occurrence of acute leptospirosis in a population of nonhuman primates is uncommon. we report on a number of severe cases of icterohemorrhagic leptospirosis that appeared in the squirrel monkey (saimiri sciureus) colony of 109 animals at the institute pasteur in french guiana. initially, 11 animals had acute illness, with jaundice and a hemorrhagic syndrome, leading to 10 deaths. two leptospira interrogans st ... | 1992 | 1599047 |