Allow your child to ask the technician any questions he or she might have.
Because IgE antibodies are unique to each allergen for example, IgE produced in response to pollen differs from IgE produced after a bee sting , checking for specific variants in the blood can help determine if an allergy is present.
To protect the body from this perceived threat, or allergen, the immune system of an allergic person produces antibodies called immunoglobulin E.