MedImmune has licensed its reverse genetics technology to Biken, The Research Foundation for Microbial Diseases of Osaka University in Japan, for the development of new vaccine strains to produce non-live human influenza vaccines. Reverse genetics is a method that uses segments of DNA to generate viruses such as influenza. This method helps protect manufacturers from exposure to potentially highly infectious pandemic strains, such as H5N1.     MedImmune will receive an upfront payment and has...