Definition: Betanucleorhabdovirus is a type of virus that belongs to the family of nucleorhabdoviruses and infects host cells in various organisms, including plants, animals, and fungi. It consists of a single round-shaped virus particle surrounded by a capsid membrane that contains genetic material. The virus is responsible for a variety of diseases, including viral infections, which can be transmitted from one animal to another through contact with infected tissues or fluids.