The authors have replaced the following sentence in the Introduction to this paper, which extends from lines 6–9 on p. 46: “In addition, we found that all our lab Sf-21, Sf9, and expresSF + cell stocks, obtained from a variety of sources, are contaminated with this virus (data not shown).”
The new, replacement sentence is: “In addition, we found that all our lab Sf cell stocks, obtained from a variety of sources, are contaminated with this virus (data not shown).”
The authors regret any inconvenience.