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09/08/2013 at 3:14 pm #2551

Keymaster
A Virion is the infectious or infective form of a virus that exists outside the host cell and is capable of surviving in metabolically inert or crystalline form. A Virion is called a complete virus particle as it consists of a nucleic acid core (ribonucleic acid (RNA) or deoxyribonucleic acid (DNA) surrounded by a protein coat (known as Capsid) and/or an external envelope.