Sanofi-Aventis manufactures & markets prescription drugs across countries. It focuses on major therapeutic areas such as multiple sclerosis, cardiovascular, immunology, neurology, oncology, rare blood disorders & diabetes, etc. By taking Genzyme Corporation as a subsidiary, it added products like Cerezyme, Myozyme/Lumizyme & Fabrazyme to its portfolio. Sanofi has become a major player in the CHC sector. It acquired many companies i.e. Ablynx & Bioverativ, Synthorx & Principia & Translate Bio and Kadmon. It has collaborated with companies like Regeneron among others. It develops and markets Dupixent, Kevzara & Libtayo in collaboration with Regeneron. Sanofi, along with Regeneron, is now solely responsible for Praluent marketing in & outside the U.S. Sanofi operates through 3 Global Business Units: Specialty Care (neurology & immunology, rare diseases, rare blood disorders & oncology), Vaccines & General Medicines (diabetes, cardiovascular & established products) and Consumer Healthcare, a standalone unit.