virus (1) pression (1) mutation (1) infection (1) évolution (1) effet (1) coût (1) Selection (1) Adaptation (1) Hepatitis C virus (1) Viruses (1) Variations (1) Pressure (1) Population (1) Human beings (1) Infection (1) Immune response (1) Hepatitis C (1) Evolution (1) Epidemics (1) Cost (1) Ability (1) Adaptations (1) Adaptations (1) Viruses (1) Influence (1) Evolution (1) Population (1) Mutation (1)