Seroprevalence of HTLV-I and HTLV-II among Intravenous Drug Users and Persons in Clinics for Sexually Transmitted Diseases

Abstract
The human T-cell lymphotropic virus Type I (HTLV-I) is associated with adult T-cell leukemia and myelopathy, whereas HTLV-II infection has uncertain clinical consequences. We assessed the seroprevalence of these retroviruses among intravenous drug users and among patients seen at clinics for sexually transmitted diseases (STD clinics).