Patients who are routinely followed at the treating institution. Investigators will evaluate baseline demographic, liver fibrosis stage, liver-related complications, and antiviral therapy.

Patients who were lost of follow-up. Participants will be contacted to evaluate if the continued HCV care at another institution, were not routinely followed by a liver-specialist or if they died. Investigators will also evaluate baseline demographic, liver fibrosis stage, liver-related complications, and antiviral therapy.

Patients with chronic HCV who were lost of follow up will be contacted by phone or email. At least 3 phone calls will be made on three different days. In case the patient is not contacted it will be considered lost of follow-up

Participants are going to be contacted by phone or email to evaluate if they are under HCV care