Ribasure is a nucleoside analogue indicated for the treatment of: Hepatitis C; Chronic hepatitis C is treated in combination with other antiviral agents with the intent to cure or achieve a sustained virological response (SVR). Viral hemorrhagic fever; It is taken in several fever such as Lassa fever, Crimean-Congo hemorrhagic fever and Hantavirus infection. RSV infection (Human Orthopnemovirus); RSV infection is a syncytial virus that causes respiratory tract infections.