High Prevalence and Incidence of HIV and HCV Among New Injecting Drug Users With a Large Proportion of Migrants—Is Prevention Failing? - Folch, Cinta; Casabona, Jordi; Espelt, Albert; Majó, Xavier; Meroño, Mercè; Gonzalez, Victoria; Wiessing, Lucas; Colom, Joan; Brugal, M. Teresa (Substance Use & Misuse, 2016)