Abstract
Human T-cell lymphotropic viruses (HTLV-1, HTLV-2, and HIV-1) share the same routes of virus transmission, but have different pathogenicity. The HTLV-1 is the etiological agent of adult T-cell leukemia/lymphoma (ATLL) and tropical spastic paraparesis or HTLV-1-associated myelopathy (TSP/HAM). The HTLV-2 although not associated with specific diseases was detected in some cases similar to T…