An unlicensed intravenous form of the antiviral drug Relenza saved the life of a woman with a severe illness resulting from infection by the pandemic H1N1 influenza virus, British doctors reported today in the journal Lancet. Dr. Michael Kidd and Dr. Mervyn Singer of the University College London Hospitals were treating the virus, commonly known as swine flu, in a 22-year-old woman who had contracted it after undergoing chemotherapy for Hodgkin's disease. The woman had increasing shortness of breath, build-up of fluid in both lungs and was progressively deteriorating. Physicians had given her Tamiflu and Relenza, which is normally given...