Abstract: A novel therapeutic agent for hepatitis C having a high therapeutic effect against hepatitis C is disclosed. The therapeutic agent for hepatitis C contains as an effective ingredient hydroxyurea. The therapeutic agent for hepatitis C optionally further contains interferon ?. By the present invention, a novel therapeutic agent for hepatitis C having a high therapeutic effect against hepatitis C was provided. A synergistic therapeutic effect against hepatitis C is obtained by using interferon ? in combination. Therefore, in cases where a patient is infected with the genotype of hepatitis C virus for which therapy by interferon ? is effective, the therapeutic effect is further promoted by using interferon ? in combination.

Abstract: In one embodiment, devices, systems, and methods provide authentication of a user using two-factor authentication to enhance security. In such embodiment, a user presents login information and a valid token, wherein the token may be generated by a portable authentication device that comprises a processor, a memory, and/or an activation interface.