AUTHOR CORRECTION
Volume 77, no. 13, p. 7174–7181, 2003, https://doi.org/10.1128/jvi.77.13.7174-7181.2003. Figure 3: There was an inadvertent duplication of an image in the two flow cytometry images at the bottom of panel B that depict control irrelevant GFP siRNA transfected cultures on day 15 and day 20. Unfortunately, given the age of the article, we no longer have access to the source data. We regret any inconvenience caused to the scientific community and the readers. The error does not in any way impact the conclusions of our study.