Inter Cohorts and Clinical Centres Collaborations of Subjects Co-infected With HIV and HCV

Inclusion Criteria: All phases of inclusion: * Patients aged ≥18 years, * Cover by a social security, * Able to understand the consent conform. Phase 1: * HIV-1/HCV chronically infected (positive HIV antibody test, and HCV RNA positive at inception or negative after anti-HCV treatment) Phase 2: * HIV-1/HCV chronically infected (positive HIV antibody test, and HCV RNA positive at inception or negative after anti-HCV treatment) treated with protease inhibitor based treatment (PegIFN, Ribavirin and Telaprevir or Boceprevir) or having cleared HCV spontaneously in the absence of anti-HCV treatment Phase 3: * HIV-1/HCV chronically infected (positive HIV antibody test, and HCV RNA positive at inception or negative after anti-HCV treatment) treated with DAA anti-HCV treatment (all combinations) Exclusion Criteria: * Patients \<18 years old * So-called vulnerable populations (minors, people under guardianship or protection, or a private individual under protection from making legal or administrative decisions) * Without an healthcare insurance