NCIt definition : A hydrochloride salt form of taribavirin, an orally available prodrug of ribavirin,
a synthetic nucleoside analog of ribofuranose with activity against a wide range of
viruses, especially the hepatitis C virus and influenza virus. Taribavirin is converted
into ribavirin, which is incorporated into viral nucleic acid, thereby inhibiting
viral RNA synthesis, inducing viral genome mutations, and inhibiting normal viral
replication.;