['hepatitis c virus infection']
['ldv/sof']

        Key Inclusion Criteria:

          -  Individuals ≥ 40 kg in weight with chronic genotype 1 or 2 HCV and HBV coinfection

          -  Individuals must not be taking or requiring treatment with HBV antiviral therapy at
             screening. For participants that are HBV treatment experienced, the most recent
             treatment must have been completed at least 6 months prior to Day 1.

          -  Cirrhosis determination by Fibroscan

          -  Screening laboratory values within defined thresholds

          -  Use of two effective contraception methods if female or male is of childbearing
             potential

        Key Exclusion Criteria:

          -  Current or prior history of clinically-significant illness or any other major medical
             disorder that may interfere with individual's treatment, assessment or compliance with
             the protocol

          -  Pregnant or nursing female

          -  Infection with human immunodeficiency virus (HIV) or hepatitis delta virus (HDV)

          -  Hepatocellular carcinoma (HCC) or other malignancy

          -  Current or prior history of clinical hepatic decompensation

        Note: Other protocol defined Inclusion/Exclusion criteria may apply.
      