HTLV-1 Mosaic protein.The protein contains the HTLV-1 gp21/gp46 immunodominant fragments, The protein is purified by proprietary chromatographictechnique.Human T-cell leukemia virus (HTLV)-1 and-2 are deltaretroviruses that infect a wide range of cells. HTLV-1 has beenfound primarily in CD4+ and CD8 T cellslymphocytes in vivo,whereas CD8 T cellslymphocytes are thought to be the in vivoreservoir of HTLV-2.;