Egg allergy is the second most common food allergy in children, but it's one that is often outgrown. People with this allergy are usually only allergic to the whites of an egg – because that's where the protein is – but must avoid eggs completely because whites and yolks can't be perfectly separated. Some vaccines are grown in eggs, so people with egg allergy should consult with their doctor before getting vaccinated.
Credit: Charles Bowman / Getty Images
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