Equine viral arteritis (EVA) is a contagious viral disease of equids. Serological evidence of exposure to the causal agent, equine arteritis virus (EAV), is present in equine populations in many countries. The disease is frequently confused with other illnesses that produce similar clinical signs. Equine viral arteritis (EVA) is an RNA viral disease that affects the reproductive system of horses. Disease Information. Technical Factsheet. Disease Images. 1 disease image. Disease Agent(s) Arterivirus; Disease Presentation. Power Point Presentation. Presentation Speaker Notes. Disease Categories . The links in this section will take you to Equine viral arteritis is a contagious, viral disease that affects members of the horse family. The disease is caused by the equine arteritis virus and is of short duration. Signs can include fever; depression; swelling of the limbs, scrotum, and the covering fold of skin on the penis in stallions; inflammation of the conjunctival lining of the eye; nasal discharge; and abortion. Equine viral arteritis is another viral infection that causes significant respiratory disease and blood vessel inflammation. It is caused by the equine arteritis virus. The most important consequences of this virus are the carrier state in the stallion and abortion in the mare. Infected horses show fever, loss of appetite, and depression. Equine arteritis virus is a small, enveloped, positive-sense, single-stranded RNA virus. EAV has been reclassified as a member of the subfamily Equarterivirinae, genus Alphaarterivirus, in the order Nidovirales, and renamed as Alphaarterivirus equid. The viral genome is approximately 12.7 kb and contains at least 10 open reading frames (ORFs). Equine viral arteritis (EVA) is a contagious disease in horses caused by the equine arteritis virus. It is found in horses around the world. This disease is most concerning for breeders, racehorse owners, and show horse owners because it can severely impact breeding and the

international movement of horses and semen. Equine viral arteritis (EVA) is a contagious viral disease of equids. The etiologic agent for EVA is equine arteritis virus (EAV). The name equine viral arteritis comes from the characteristic vascular lesion that is produced by the causal agent equine arteritis virus (EAV). Serological evidence of Equine viral arteritis is an infrequently encountered contagious viral disease of equids that has assumed increased veterinary medical and economic significance since the 1984 epidemic in Thoroughbreds in Kentucky. The most important consequences of Equine arteritis virus (EAV) is the causative agent of equine viral arteritis (EVA), a respiratory and reproductive disease of equids. There are some 35 EAV full-length genome sequences available currently in GenBank . The genome of individual virus strains varies between 12,704 and 12,731 bp, and It is difficult to clinically distinguish equine viral arteritis from other diseases such as African horse sickness, equine flu and equine infectious anemia, in addition to Getah and Hendra viral infections, equine adenovirus infection and equine herpesvirus 1 and 4, since the signs are similar; therefore, it is