HIV prevalence among Injection Drug Users (IDUs) is 22 percent with new infections occurring at a high rate despite harm reduction services the findings of a HIV prevention programme said Wednesday. The AVHI programme further stated that majority of the IDUs were not aware that they were HIV positive until they were tested as part of the programme. Avina Sarna country director Population Council said that while India has seen a decrease in HIV prevalence the IDU population is 'hidden and extremely vulnerable' and has very high prevalence of new infections. 'This is a population we cannot ignore. They have