Arterivirus is the only genus of
viruses in the family
Arteriviridae, which is within the order
Nidovirales. Vertebrates serve as natural hosts. There are currently four species in this genus including the type species
Equine arteritis virus. Diseases associated with this genus include: EAV: vascular lesions, fever, edema, abortion. PRRSV: abortions and respiratory disease. SHFV: fever, edema, dehydration, hemorragies, death (almost 100%).