| prevalence of antibodies against simian immunodeficiency virus (siv) and simian t-lymphotropic virus (stlv) in a colony of non-human primates in kenya, east africa. | sera (165 samples in 1988 and 66, follow-up samples in 1989) were collected from olive baboons, african green monkeys, syke's monkeys and grey mangabeys kept in a semi-free, breeding colony at the institute of primate research (ipr) in nairobi, kenya. the levels of antibodies to simian t-lymphotropic virus (stlv) or simian immunodeficiency virus (siv), and the reactivity patterns of positive sera to various lentivirus subgroup antigens, were then determined. the results of tests using enzyme-imm ... | 1996 | 8729629 |