Defensor 3 Is Prepared From Cell-culture-grown, Chemically Inactivated Rabies Virus. the Seed Virus Is a Highly Immunogenic, Fixed Strain of Rabies Virus Which Originated From Louis Pasteur’s Original Isolate in 1882. the Inactivated Virus Is Formulated with a Highly Purified Adjuvant and Is Packaged in Liquid Form.