Composition pour prévenir une infection virale par le virus influenza contenant l'acide tannique, filtre à air le contenant, et dispositif de nettoyage de l'air comportant ce filtre
Disclosed are a composition for the prophylaxis of influenza viral infection comprising tannic acid, an air filter coated with the same, and an air cleaner comprising the air filter. Having high inhibitory activity against influenza virus, the composition comprising tannic acid can be applied to the prevention of influenza viral infection. Also, the filter coated with the composition can remove influenza virus from the air so that it can be employed in an air cleaner for the prophylaxis of influenza viral infection.