<prompt> Treatment for genotype 1a of hepatitis CLedipsavir and SofosbuvirSofosbuvir and velpatasvirPegylated interferon and lamivudinePegylated interferon and Ribavarin  <response>: - Hepatitis C genotypes and their treatment Genotype 1a Ledipasvir sofosbuvir Genotype 1b Ledipasvir sofosbuvir Genotype 2 Sofosbuvir velpatasvir Genotype 3 Sofosbuvir velpatasvir Genotype 4 Sofosbuvir velpatasvir Genotype 5,6 Sofosbuvir velpatasvir 