The paper presents experimental findings of the combined antiinfluenza drug (inactivated influenza vaccine + an interferon inducer - an immunogenetic anstimulator - polysaccharide 1,3beta-glucan). The oral immunization with the drug induces antibody accumulation in the secretions of the upper airway and blood sera in defense titers, interferon synthesis at days 1-3 postadministration, forms murine resistance to infection with homologous and heterologous viruses, enhances the functional activity of alveolar macrophages.

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