How common is alpha1-antitrypsin deficiency (AATD) in the US?

Updated: Sep 11, 2020
  • Author: Dora E Izaguirre Anariba, MD, MPH; Chief Editor: John J Oppenheimer, MD  more...
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Alpha1-antitrypsin deficiency (AATD) is 1 of the 3 most common lethal genetic diseases among adult white persons, affecting 1 per 3000-5000 individuals. Severe AATD affects an estimated 70,000-100,000 individuals, and approximately 25 million people carry of at least 1 deficient gene. However, less than 10% of severely deficient individuals are currently identified. [1, 2, 9, 10]

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