What is an antigen?
An antigen is an allergy-causing substance such as pollen, mold, pet danders, and specific foods such as dairy, peanuts, fish, wheat, corn, and eggs, among many others.
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An antigen is an allergy-causing substance such as pollen, mold, pet danders, and specific foods such as dairy, peanuts, fish, wheat, corn, and eggs, among many others.