The U.N. health agency said Wednesday it has suspended its approval of a vaccine against tetanus and four other diseases produced by Sanofi-Aventis SA subsidiary because of a white substance forming inside some vials. The World Health Organization and the manufacturer of the Shan5 vaccine are investigating the sediment ...

Merck, Frontline maker Sanofi-Aventis uniting animal medicine businesses into world's largestTwo of the world's biggest pharmaceutical companies said Tuesday they are uniting their animal health businesses in a deal to become the top dog in the veterinary industry. Merck & Co. and France's Sanofi-Aventis SA said they ...

French pharmaceutical giant Sanofi-Aventis and US group Merck announced on Tuesday they would join forces to create the world's biggest animal health company. The companies will own an equal share in the joint venture, which will combine Sanofi-Aventis's Merial unit with Merck's Intervet/Schering-Plough, they said in ...

Merck, Frontline maker Sanofi-Aventis joining animal medicine businesses into world's largestPET MEDS: Two top pharmaceutical companies, Merck & Co. and Sanofi-Aventis SA, are uniting their animal health businesses in what would be the world's largest veterinary medicine company. GOOD FIT: Sanofi's Merial makes some very popular dog ...