Food allergies are becoming increasingly common and have a significant effect on patients and families. In 2007 the estimated prevalence of food allergies among school-aged children was approximately 3.9%, an 18% increase since 1997, with other studies estimating up to 8% of children affected (and 5% of adults).1,2 However, exposures and symptoms may occur well before children enter school. When egg allergy was specifically looked at, the cumulative prevalence was estimated at 2.6% by 2.5 years old.
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