New WHO report on Human T-lymphotropic virus type 1 highlights strategies for its prevention and control New WHO report on Human T-lymphotropic virus type 1 highlights strategies for its prevention and control 3 March 2021 WHO has published a series of products on Human T-lymphotropic virus type 1 (HTLV-1) calling attention to address HTLV-1 through a global public health approach. The HTLV-1 technical report, the HTLV-1 fact sheet and the HTLV-1 meeting report are the products of consultations undertaken by WHO with member states and partners over the past year. HTLV-1 is a retrovirus which causes a chronic lifelong infection in humans. Its transmission happens through breast feeding, sexual contact and blood transfusions and is similar to the HIV virus. It causes a range of clinical syndromes. The commonest