Sanofi Pasteur SA develops, manufactures, and supplies vaccines in France and internationally. The company provides vaccines for bacterial and viral diseases, including pertussis, diphtheria, typhoid fever, poliomyelitis, influenza, and mumps. It has production sites in France, the United States, Canada, China, Thailand, and Argentina. The company was formerly known as Aventis Pasteur S.A. and changed its name to Sanofi Pasteur SA in 2004. The company was founded in 1990 and is headquartered in Lyon, France. The company is headquartered in Lyon, France. Sanofi Pasteur SA operates as a subsidiary of Sanofi-Aventis.