Canadian Medical Guide > Organisms > Viruses > RNA Viruses > Birnaviridae Terms and Definitions

Birnaviridae

Medical Definition:	A family of bisegmented, double-stranded RNA viruses causing infection in fish, mollusks, fowl, and Drosophila. There are three genera: AQUABIRNAVIRUS; AVIBIRNAVIRUS; and ENTOMOBIRNAVIRUS. Horizontal and vertical transmission occurs for all viruses.
Guide Notes:	a family of RNA viruses; from BIsegmental RNA viruses; infection = BIRNAVIRIDAE INFECTIONS
Previously Indexed:	Reoviridae (1990-1993)

Birnaviridae Categories.

	Aquabirnavirus - A genus of RNA viruses in the family BIRNAVIRIDAE infecting fish, mollusks, and crustaceans. It is transmitted both vertically and horizontally with no known vectors. The natural hosts are salmonids and the type species is INFECTIOUS PANCREATIC NECROSIS VIRUS.
	Avibirnavirus - A genus of RNA viruses in the family BIRNAVIRIDAE infecting birds. It is transmitted horizontally with no known vectors. The type species is INFECTIOUS BURSAL DISEASE VIRUS.
	Entomobirnavirus - A genus of RNA viruses of the family BIRNAVIRIDAE infecting fruitflies. Transmission is horizontal and there are no known vectors. Drosophila melanogaster is the natural host and the type species is Drosophila X virus.

Birnaviridae Medical Definitions and Terms

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