Inhibition of vaccinia virus growth by the nucleoside analogue 1 β d ribofuranosyl 1,2,4 triazole 3 carboxamide (Virazole, Ribavirin)

E. Katz, E. Margalith, B. Winer

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23 Scopus citations

Abstract

Virazole or Ribavirin (1 β (D) ribofuranosyl 1,2,4 triazole 3 carboxamide) inhibits the growth of vaccinia virus at a concentration of 50 μg/ml. Although vaccinia virus DNA and polypeptides are made to a certain extent in the presence of Virazole, the DNA fails to acquire resistance to deoxyribonuclease and virus particles are not formed. Reversibility of the antiviral effect occurs when the drug is washed out from the infected cultures or when guanosine at an equimolar concentration is added.

Original languageEnglish
Pages (from-to)327-330
Number of pages4
JournalJournal of General Virology
Volume32
Issue number2
DOIs
StatePublished - 1976

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