NCIt definition : A genus of double stranded RNA viruses that carry 11 unique double helix molecules
of RNA that encode one or two proteins each. The RNA is surrounded by a three-layered
icosahedral protein capsid. Viral particles are up to 76.5 nm in diameter and are
not enveloped.;
Alternative definition : CDISC: Any viral organism that can be assigned to the genus Rotavirus.;