Birnaviridae

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Bir·na·vi·ri·dae

(bir'nă-vī'ri-dā),
A family of icosahedral nonenveloped viruses, 60 nm in diameter with a genome that consists of two segments of linear double-stranded RNA.

Birnaviridae

a family of nonenveloped, icosahedral viruses, containing a genome of two segments of double-stranded RNA. There are three genera, Aquabirnavirus, which causes infectious pancreatic necrosis in trout, Avibirnavirus, which causes infectious bursal disease in chickens, and Entomobirnavirus, which infects flies.