Viral infections provoke dysbalance in the interferon system and inhibition of the cellular and phagocytic responses of the host. Long-term persistence of pathogenic viruses and bacteria induce atopy and could aggravate chronic respiratory diseases. The up-to-date classification of immunomodulators is described. https://www.jmannino.com/best-catch-Sophie-Allport-Bee-Blackout-Ready-Made-Eyelet-Curtains-Duck-Egg-special-save/