VirusWordNet Explorer

(virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein

any organism of microscopic size

an agent capable of producing infection

the branch of medical science that studies viruses and viral diseases

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

a virus that is parasitic (reproduces itself) in bacteria

a plant pathogen that is a virus consisting of a single strand of RNA

an animal pathogen that is a virus