HCV product sales, which consist of Harvoni® (ledipasvir 90 mg/sofosbuvir 400 mg), Sovaldi® (sofosbuvir 400 mg), Epclusa® (sofosbuvir 400 mg/velpatasvir 100 mg) and Vosevi® (sofosbuvir 400 mg/velpatasvir 100 mg/voxilaprevir 100 mg), were $1.5 billion for the fourth quarter of 2017 compared to $3.2 billion for the same period in 2016 and $9.1 billion for the full year 2017 compared to $14.8 billion in 2016. The declines were across all major markets.