meaning of arboviruses
1. 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 encephalitides
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