title: HIV-2 in perspective.
mesh_terms: D000354:Africa, Western; D000914:Antibodies, Viral / Q000032:analysis / Q000276:immunology; D001782:Blood Donors; D017977:Deltaretrovirus / Q000276:immunology; D006800:Deltaretrovirus Infections / Q000453:epidemiology* / Q000635:transmission; D003937:Diagnosis, Differential; D006678:HIV / Q000276:immunology; D015483:HIV Antibodies; D006801:Humans
chemical_list: D000914:Antibodies, Viral; D015483:HIV Antibodies