| Noun | 1. | Togaviridae - a family of arboviruses carried by arthropods arborvirus, arbovirus - a large heterogeneous group of RNA viruses divisible into groups on the basis of the virions; they have been recovered from arthropods, bats, and rodents; most are borne by arthropods; they are linked by the epidemiologic concept of transmission between vertebrate hosts by arthropod vectors (mosquitoes, ticks, sandflies, midges, etc.) that feed on blood; they can cause mild fevers, hepatitis, hemorrhagic fever, and encephalitis alphavirus - an arbovirus of the family Togaviridae that can cause a variety of encephalitis in horses family - (biology) a taxonomic group containing one or more genera; "sharks belong to the fish family" |