title: Lack of HTLV-I antibodies in Africans.
mesh_terms: D000349:Africa; D000914:Antibodies, Viral / Q000032:analysis*; D017977:Deltaretrovirus / Q000276:immunology*; D004797:Enzyme-Linked Immunosorbent Assay; D005455:Fluorescent Antibody Technique; D006801:Humans; D012192:Retroviridae Infections / Q000453:epidemiology
chemical_list: D000914:Antibodies, Viral