Background: Injecting drug users (IDUs) and prisoners are considered to be highly vulnerable to human immunodeficiency virus (HIV) infection in Iran. This study was carried out to determine the prevalence of HIV infection among IDUs released from jail in Bahar (Hamadan. Iran). Methods: In a cross-sectional study. https://www.spidertattooz.com/PRESTIGE-Crystal-1122-Rivoli-12mm-Crystal-Agave-Ignite-1-Piece/