Reoviruses are linear double-stranded RNA viruses with broad host ranges. The term reovirus is an acronym for respiratory enteric orphan virus. (DeBiasi RL, Tyler KL. Orthoreoviruses and Orbiviruses. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 2015:1848–1850.e1. doi: 10.1016/B978-1-4557-4801-3.00150-8. Epub 2014 Oct 31. PMCID: PMC7152383.)