© ISTOCK
Peter Meylakhs,from HSE University - St. Petersburg, together with colleagues from Georgia State University (USA) and Tarbiat Modares University (Tehran), have developed the HIV-PWID Policy Index (HPPI)—an international policy index for HIV prevention among people who inject drugs. This is the first major tool for assessing and comparing the extent to which HIV/AIDS prevention policies among PWID have been developed in 105 countries.