Definition of reovirus
: any of a family (Reoviridae) of double-stranded RNA viruses that have a virion with icosahedral structural symmetry but may appear spherical, that have a capsid with one to three concentric protein layers, and that include many plant or animal pathogens (such as the rotaviruses and the causative agent of bluetongue)
From the M-W Editors
Origin and Etymology of reovirus
respiratory enteric orphan (i.e., unidentified) virus
Medical Dictionary
Learn More about reovirus
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Britannica.com: Encyclopedia article about reovirus
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