PUREVAX

In August 1997, Merial started as a joint venture between the animal health subsidiaries of Merck & Co. (MSD AgVet) and Sanofi-Aventis (Rhône-Mérieux). Merial is now the animal health subsidiary of Sanofi, formerly known as Sanofi-Aventis.

Merial produces many products and vaccines for domestic pets, farm animals and wildlife. Merial has about 6,500 employees and is present in more than 150 countries in the world. Some of Merial's most popular products are Frontline, Heartgard, NexGard, Ivomec, PureVax and Previcox.

• PUREVAX