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Effect of eczema on the association between season of birth and food allergy in Japanese children

Food allergy (FA) in childhood has been shown to be more prevalent in those born in autumn and winter. The mechanisms of this season‐of‐birth effect remain unclear, although shortage of vitamin D during infancy has been considered one possible mechanism. The purpose of this study was to investigate the effect of eczema on the season‐of‐birth effect on FA in infancy.