Flavonoids and the immune system

Antiviral effect of flavonoids on human viruses.

Kaul TN, Middleton E Jr, Ogra PL.J Med Virol. 1985 Jan;15(1):71-9. doi: 10.1002/jmv.1890150110.

Antiviral activities of biflavonoids.

Lin YM, Flavin MT, Schure R, Chen FC, Sidwell R, Barnard DL, Huffman JH, Kern ER.Planta Med. 1999 Mar;65(2):120-5. doi: 10.1055/s-1999-13971.