December 20, 2006 Sanofi pasteur influenza vaccine production tops 170 million doses in 2006. November 20, 2006 Sanofi pasteur signs contract with U.S. Government for stockpile of new type of H5N1 pre-pandemic vaccine October 18, 2006Sanofi pasteur H5N1 pre-pandemic vaccine neutralizes additional circulating H5N1 virus.September 29, 2006Sanofi pasteur and the pediatric dengue vaccine initiative partner against dengue fever.September 26, 2006Sanofi pasteur cell culture-based seasonal influenza vaccine enters first clinical trial.September 19, 2006Sanofi pasteur broadens pandemic preparedness with first clinical trial of novel cell based H7N1 vaccine.May 11, 2006Adjuvanted formulation of sanofi pasteur H5N1 pandemic influenza vaccine candidate demonstrates significant immune response.