Productive Influenza Virus Infection of Synchronized Chick Embryo Fibroblast Cells

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Abstract
The effects of cell metabolic activity on the outcome of influenza virus infection were studied in partially synchronized chick embryo fibroblast cultures. There was no evidence that the time in the cell cycle at which cells were infected had any significant effect on the final virus yield. Some differences were detected in the length of the latent period between infections established in synchronized or in stationary cells. Influenza virus could replicate in synchronized or normal cell cultures in which DNA synthesis was inhibited with 9-.beta.-D-arabinofuranosyladenine (ara-A).