 The vaccine development branch of the institute was separated early on and is now part of Sanofi Pasteur.,, The current name was changed in 2009 from Mérieux Alliance.The holding is owned through the Mérieux Alliance company at 68% by Alain and Alexandre Mérieux and at 32% by the Christophe and Rodolphe Mérieux foundation (different from the Mérieux foundation).Through creations and acquisitions, the holding is managing the following companies