Influenza Viruses

Image via Wikipedia Influenza viruses are a group of RNA viruses from Orthomyxoviridae family. These are 3 in number namely: Influenzavirus A, Influenzavirus B and Influenzavirus C. Each of these genus has only one species namely influenza A virus, influenza B virus and influenza C virus. Among the three, type A causes severe disease and … Read more

Design & Development of Unnatural Nucleosides as Antiviral & Anti-Cancer Agents

Design & Development of Unnatural Nucleosides as Antiviral & Anti-Cancer Agents   Ram C. Mishra   College of Pharmacy, University of Georgia, GA 30602, USA  Unnatural nucleosides are the variants (chemically modified analogs) of five natural nucleosides which constitute the structure of DNA and RNA. Since the first preparation and later, the isolation of unnatural … Read more

The New Hep C Drug: PSI-7977 to Sofosbuvir

Recently (December 6th, 2013) Sofosbuvir was approved by US FDA for the treatment of Chronic Hepatitis C in combination with Ribavirin for dual therapy and with Ribavirin & Pegylated Interferon triple therapy for treatment-naive patients having HCV genotypes 1 and 4. The drug is being marketed as Sovaldi by Gilead.