Bovine Ephemeral Fever is caused by the Bovine Ephemeral Fever Virus (BEFV), which belongs to:
Order: Mononegavirales. Family: Rhabdoviridae, Genus: Ephemerovirus
The virus is Enveloped, Bullet-shaped, Single-stranded negative-sense RNA virus
The virus is sensitive to: Heat, Lipid solvents, Detergents, and Disinfectants
However, it survives for short periods in blood and vectors.