The meeting is organised by Correlation – European Harm Reduction Network  in cooperation with the European Union funded Eurosider project, which is coordinated by the French research institute INSERM. The main objective of the Eurosider Project is to contribute to a better  Hepatitis C policy and practice by developing the transferability of an effective community-based intervention to people who inject drugs in different political contexts with the aim to reduce the risk of HIV-HCV transmission.