HTLV: try Africa.
D000293:Adolescent; D000328:Adult; D000354:Africa, Western; D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000276:immunology*; D008223:Lymphoma / Q000276:immunology*; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D012190:Retroviridae; D013601:T-Lymphocytes / Q000276:immunology*; D014900:West Indies