output publications or other works Are unhygienic injecting practices among drug users decreasing in Spain? Conference Poster Main tendencies of injecting drug users feature in the mobile units of the programs of outreach syringes exchange programs of Medicos del Mundo Conference Poster Medicos del Mundo syringes exchange program in mobile units, a strategy to harm reduction Conference Poster New HIV vulnerability characteristics within women sex workers in Spain Conference Poster The importance of migration on prostitution and HIV/Aids in Spain in the last year Conference Poster Violence and HIV risk infection among female sex workers in Spain Conference Poster