Ambulatory patient infected by HCV according to diagnosis criteria used en usual clinical practice.

Patient no treated previously and beginning a treatment for HCV.

Patient that signed the informed consent to participate in the study.

Group A: patient with HCV monoinfection.

Group B: patient with HCV and HCV co-infection (according to diagnosis criteria used en usual clinical practice).

ADHEPTA Study: Adherence Questionnaire in Hepatitis C