Definitions for virionˈvaɪ riˌɒn, ˈvɪr i-
This page provides all possible meanings and translations of the word virion
(virology) a complete viral particle; nucleic acid and capsid (and a lipid envelope in some viruses)
A single individual particle of a virus (the viral equivalent of a cell).
U.S. National Library of Medicine
The infective system of a virus, composed of the viral genome, a protein core, and a protein coat called a capsid, which may be naked or enclosed in a lipoprotein envelope called the peplos.
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