Peptides are selected based on various factors, including the strength of the T cell response to the peptide , {TAIL ~ the frequency} of the T cell response to the peptide in {HEAD ~ a population} of individuals sensitive to dust mite allergens, and the potential cross reactivity of the peptide with other dust mite allergens 
Peptides are selected based on various factors , including the strength of the T cell response to the peptide , { TAIL ~ the frequency } of the T cell response to the peptide in { HEAD ~ a population } of individuals sensitive to dust mite allergens , and the potential cross reactivity of the peptide with other dust mite allergens
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