| lack of endemic hiv infection in venezuela. | a seroepidemiological survey of human immunodeficiency virus (hiv) infection was recently conducted in 556 serum samples from donors in rural and urban areas of venezuela and from aboriginal amazonian indians. the samples were tested for the presence of antibodies to hiv by the elisa technique using several commercially available kits. 19 samples were positive. these samples then were tested by immunofluorescence, western blot, and radioimmunoprecipitation techniques as confirmatory assays. ... | 1987 | 3650099 |