Based on these results, the researchers concluded that childhood dietary isoflavone consumption, not maternal isoflavone intake during pregnancy and nursing is related to KD risk in an ethnically diverse U.S. population.
Portman MA, Navarro SL, Bruce ME, Lampe JW. SOY ISOFLAVONE INTAKE IS ASSOCIATED WITH RISK OF KAWASAKI DISEASE. Nutrition Research. August 2016;36(8):827–834. DOI: 10.1016/j.nutres.2016.04.002