Abstract: Briefly described, embodiments of this disclosure include compounds (e.g., such as Formula II, Formula II-a, and specific compounds shown in Table 1), pharmaceutical compositions, methods of treating a host infected with a virus from the Flaviviridae family of viruses, methods of inhibiting HCV replication in a host, methods of inhibiting the binding of NS4B polypeptide to the 3?UTR of HCV negative strand RNA in a host, methods of treating liver fibrosis in a host, and the like.

Abstract: Briefly described, embodiments of this disclosure include compounds, pharmaceutical compositions, methods of treating a host infected with a virus from the Flaviviridae family of viruses, methods of inhibiting HCV replication in a host, methods of inhibiting the binding of NS4B polypeptide to the 3?UTR of HCV negative strand RNA in a host, methods of treating liver fibrosis in a host, and the like. In an embodiment, the compounds can include clemizole or a clemizole analog, or a pharmaceutically acceptable salt, an isomer, a tautomer, or a prodrug thereof.

Abstract: Briefly described, embodiments of this disclosure include compositions, pharmaceutical compositions, methods of treating a host infected with a virus from the Flaviviridae family of viruses, methods of treating HCV replication in a host, methods of inhibiting the binding of NS4B polypeptide to the 3?UTR of HCV negative strand RNA in a host, methods of treating liver fibrosis in a host, and the like.

Abstract: Briefly described, embodiments of this disclosure include compounds, pharmaceutical compositions, methods of treating a host infected with a virus from the Flaviviridae family of viruses, methods of inhibiting HCV replication in a host, methods of inhibiting the binding of NS4B polypeptide to the 3?UTR of HCV negative strand RNA in a host, methods of treating liver fibrosis in a host, and the like.

Abstract: Replicons of genotype 4d hepatitis C virus (HCV) are provided. These replicons contain adaptive mutations giving rise to the HCV's capability to replicate in vitro. Methods of preparing genotype 4d replicons and methods of using these replicons to screen antiviral agents are also provided.

Abstract: Briefly described, embodiments of this disclosure include compositions, pharmaceutical compositions, methods of treating a host infected with a virus from the Flaviviridae family of viruses, methods of identifying a candidate agent for the treatment of hepatitis C virus (HCV) infection, and the like.

Abstract: Briefly described, embodiments of this disclosure include compositions, pharmaceutical compositions, methods of treating a host infected with a virus from the Flaviviridae family of viruses, methods of identifying a candidate agent for the treatment of hepatitis C virus (HCV) infection, and the like.

Abstract: Briefly described, embodiments of this disclosure include compositions, pharmaceutical compositions, methods of treating a host infected with a virus from the Flaviviridae family of viruses, methods of treating HCV replication in a host, methods of inhibiting the binding of NS4B polypeptide to the 3?UTR of HCV negative strand RNA in a host, methods of treating liver fibrosis in a host, and the like.

Abstract: Briefly described, embodiments of this disclosure include compositions, pharmaceutical compositions, methods of treating a host infected with a virus from the Flaviviridae family of viruses, methods of identifying a candidate agent for the treatment of hepatitis C virus (HCV) infection, and the like.

Abstract: Briefly described, embodiments of this disclosure include compounds, pharmaceutical compositions, methods of treating a host infected with a virus from the Flaviviridae family of viruses, methods of inhibiting HCV replication in a host, methods of inhibiting the binding of NS4B polypeptide to the 3?UTR of HCV negative strand RNA in a host, methods of treating liver fibrosis in a host, and the like.

Abstract: Briefly described, embodiments of this disclosure include compounds, pharmaceutical compositions, methods of treating a host infected with a virus from the Flaviviridae family of viruses, methods of inhibiting HCV replication in a host, methods of inhibiting the binding of NS4B polypeptide to the 3?UTR of HCV negative strand RNA in a host, methods of treating liver fibrosis in a host, and the like.