introduction: in this study we examined the effect of different concentration of cycloheximide on the enhancement of vero cell sensitivity to vero cytotoxin (vt) of escherichia coli. materials and method: cycloheximide at different concentrations (0.5-16mg/ml) were added to vero cells, for different peroids of time: 1 day before, immediately after, or 1 and 2 days after the adddition of vt. res...