Figure 3: Interferonogenous impact of Del-Immune V and Bifidim on peritoneal macrophages; comparison of cultures of intact and experimental animal cells. IFN titer were calculated by using data from 3 repeated experiments from PEM (1×107 cell/ml), which were treated with Del-Immune V or Bifidim. Levels of cytokine production (IFN-α and IFN-γ) were determined 24 after incubation of the cell with the formulations using the cytopathogenic effect inhibition technique. Results are mean ± SD. DIV=Del-Immune V®.