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The Diffusion of Effective Behavioral Interventions project (DEBI) is a national-level strategy to provide high quality training and on-going technical assistance on selected evidence-based HIV/STD/ Viral Hepatitis prevention interventions to state and community HIV/STD program staff.

The interventions have been proven effective through research studies that showed positive behavioral (e.g., use of condoms; reduction in number of partners) and/or health outcomes (e.g., reduction in the number of new STD infections). Studies employed rigorous research designs, with both intervention and control groups, so that the positive outcomes could be attributed to the interventions. With input from the researchers, the materials necessary to implement the interventions have been packaged into user-friendly kits. With the appropriate training and intervention package, service providers can increase their opportunities to conduct effective HIV/STD/Viral Hepatitis prevention programs in their communities.

The DEBI project began in 1999 when the Centers for Disease Control and Prevention (CDC) published a Compendium of HIV Prevention Interventions with Evidence of Effectiveness to respond to prevention service providers who requested evidence-based interventions that work. HIV prevention technology transfer is a process by which these interventions are disseminated for implementation through provision of training and technical assistance. CDC now annually updates an online Compendium of Evidence-based HIV Prevention Interventions by adding newly identified evidence-based behavioral interventions (EBI) that have been scientifically proven to significantly reduce HIV risk. CDC's Compendium now includes over sixty evidence-based individual-level, group-level, and community-level HIV behavioral interventions. 

The dissemination of effective interventions related to effective HIV prevention is a critical part of building capacity among organizations that implement prevention programs for populations at risk for HIV. The CDC's Division of HIV/AIDS Prevention (DHAP), Capacity Building Branch is committed to enhancing the capacity of individuals, organizations, and communities to conduct more effective and efficient HIV prevention services.

Partnering with CDC, Danya coordinates training and technical assistance for the DEBI project. Danya works in collaboration with CDC/DHAP Capacity Building Branch staff, the National Network of STD/HIV Prevention Training Centers (PTCs), state and city health departments, Capacity Building Assistance providers (CBAs), and the Behavioral and Social Scientist Volunteers program (BSSV) to offer training and technical assistance on these effective interventions for HIV prevention.