rabies vaccine dog tags pet finder RABIES VACCINE Merial is well known too, for its anti-rabies vaccines for use in domestic and wild animals and for its foot and mouth disease vaccine, which was pioneered by the Institut Merieux the French forerunner of the present company. Equine EWTF is a "4-way" vaccine recommended for the vaccination of healthy horses against eastern and western equine encephalomyelitis, influenza and tetanus.By releasing antigen slowly, the unique adjuvant used in Equine EWTF is exceptionally non-irritating and strongly enhances the immune response. After a primary vaccination and. Our research quest is to identify or discover new compounds, vaccines, products, disease processes, and infectious agents, as well as to be at the forefront in recognizing new opportunities and solutions to improve animal health.