Human T lymphocyte virus infection

Human T-cell virus (human-lymphotropic virus, HTLV) is a tumorigenic RNA virus, a complex retrovirus that is widely distributed worldwide. The T lymphocytic leukemia virus symposium named the former as human T-cell leukemia virus type 1 (HTLV-1) and HTLV type 2 (HTLV-2). Recently found that the virus can cause a variety of diseases in humans: HTLV-I can cause adult T-cell leukemia / lymphoma (ATL), tropical spastic paralysis / HTLV-related myelopathy HTLV-associated myelopathy, etc .; HTLV-Ⅱ is associated with diseases such as T-hairy cell / largegranulocytic leukemia.