| characteristic regional prevalence of htlv-i in shimane prefecture. | serological survey for human t-lymphotropic virus type i (htlv-i) was performed in shimane prefecture, japan, located on the coast of japan sea. the rates of anti-adult t-cell leukemia-associated antigen-positive sera were 4.2% and 6.9% respectively for males and females. the rate increased with age, particularly in females. from the geographical point of view, the oki islands and a very small focus in shimane-cho had high rates of anti-adult t-cell leukemia-associated antigen positives. even wi ... | 1986 | 2874249 |