The first cases of HIV infection in the Russian Federation were identified in 1987. Between 1987 and 1996 over 90% of individuals acquired infection via homosexual contacts (Segeda, 2006; Berrous, 2000). Since 1996 there has been a dramatic growth of incidence rate due to the parenteral use of psychoactive drugs (Montgomery, 2000; UNAIDS, 2001; Des Jarlais, 2001). Since then, in the Russian Fed...