This early post-marketing study is an observational, prospective and descriptive study of patients receiving daclatasvir for the treatment of Chronic Hepatitis C at participating sentinel sites for the CNFV in Mexico.

Inclusion Criteria:

1. This study will include patients greater than or equal to 18 years of age with chronic Hepatitis C, all genotypes, including naïve and experimented (null or partial) responders, intolerant to interferon (IFN) with or without cirrhosis, HIV/HCV coinfection, and liver transplant recipients at the sentinel sites, who received at least 1 dose of daclatasvir for the treatment of chronic Hepatitis C during the specified 24-month study period.

Exclusion Criteria:

1. Subjects who received daclatasvir as part of a clinical trial.
2. Subjects who received daclatasvir for any indication other than local approved.
3. Contraindications included in the approved Mexican prescribing information.

Patients with chronic Hepatitis C who are being given daclatasvir for the treatment and cure of chronic Hepatitis C at the sentinel sites for the CNFV in Mexico. Patients will be treated according to the clinical judgment of the treating physician.