LYON, France, Sept. 19 /PRNewswire-FirstCall/ -- Sanofi pasteur, the vaccines business of the sanofi-aventis Group, has within the framework of FLUPAN, a collaborative research project funded by the European Commission, generated the first clinical trial lot of a new generation of H7N1 pandemic vaccine. This trial will broaden sanofi pasteur's pandemic preparedness program initiated with the development of H5N1 vaccines.