Global perspectives on food allergy

The prevalence of childhood food allergy has increassed sharply during the past 2 decades. Up to 8% of children in the United States and 11% of Australian infants are food allergic, and the prevalence of peanut allergy is between 1% and 3% in these countries.1 Allergy research has shifted its focus in recent years toward measures aimed at the primary prevention of food allergy in children, such as through dietary interventions in early life. The Learning Early About Peanut Allergy (LEAP) randomized clinical trial enrolled 640 high-risk infants between the ages of 4 and 11 months in the United Kingdom who had severe atopic dermatitis (AD) and/or egg allergy and peanut skin prick test (SPT) responses of 1 to -4 mm.

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