| htlv-i infection in the free state region of south africa: a sero-epidemiologic study. | human t-lymphotropic virus type i (htlv-1) is associated with tropical spastic paraparesis (tsp) and adult t-cell leukemia/lymphoma. htlv-i infection is endemic in certain parts of the natal/kwazulu region of south africa. no studies on the seroprevalence of htlv-i infection in the free state (fs) have been published. this study was designed to determine the prevalence of htlv-i antibodies among different patient groups in the fs. sera from 863 patients were analyzed. there were: 178 asymptomati ... | 1996 | 8653770 |