<div id="subtitle">Vical says US approves Oncept dog vaccine, which will be marketed by Sanofi-Aventis</div><div><p>Drug developer Vical Inc. said Monday the Agriculture Department approved Oncept, a vaccine intended to treat oral melanoma in dogs.</p><p>Vical developed the drug and licensed it ...

<div><p>French drugmaker Sanofi-Aventis SA has completed its $4 billion purchase of Merck & Co.'s half interest in their veterinary medicine business, Merial Ltd., the companies said Friday.</p><p>The move was required by regulators before Merck can close its $41 billion purchase of New Jersey neighbor Schering-Plough ...