In 2004, Aventis merged with and into Sanofi. The new Sanofi-Aventis Group became the world's 3rd largest pharmaceutical company. Aventis Pasteur, the vaccine division of Sanofi-Aventis Group, changed its name to Sanofi Pasteur.
1990: Creation of Pasteur Mérieux Serums & Vaccins.
1994: Pasteur Mérieux Sérums & Vaccins becomes a wholly owned subsidiary of Rhône-Poulenc.
1996: Pasteur Mérieux Connaught is the new name of Pasteur Mérieux Serums et Vaccins.
1999: Rhône-Poulenc and Hoechst unite their Life Sciences activities in a single company, which takes on the name Aventis. Within this group, Pasteur Mérieux Connaught changes its name to Aventis Pasteur.
2004: merger of Aventis with and into Sanofi. The new Sanofi-Aventis Group becomes the world's 3rd largest pharmaceutical company, behind Pfizer and GlaxoSmithKline. Aventis Pasteur, the vaccine division of the Sanofi-Aventis Group, changes its name to Sanofi Pasteur.
2008: Sanofi Pasteur acquires Acambis plc, a biotech company.
2009: Sanofi Pasteur acquires major stake in Hyderabad-based Shantha Biotechnics, which has been valued at euro 550 million (over Rs 3,770 crore).
Key facts & figures in 2012
2012 net sales: € 3,897 millions (+5.7% over 2011)
Staff: nearly 13,000 employees worldwide
More than 1 billion doses of vaccines produced yearly to immunize more than 500 million people in the world
Largest product range available, against 20 infectious diseases
More than €1 million invested every day in R&D
Nearly €2 billion invested in the last 5 years in production infrastructures.