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Primary Immune Deficiency Diseases (PIDDs)​

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There are more than 200 different forms of primary immune deficiency diseases (PIDDs) and, though they affect only about 500,000 people in the United States, these diseases may be chronic and debilitating. Since the 1980s NIAID-supported investigators have been examining the causes and complications of PIDDs to improve the lives of patients and families.

NIAID aims to improve diagnosis, facilitate genetic counseling, and explore new treatments and preventions for PIDDs. It is home to a Primary Immune Deficiency Clinic, which provides diagnoses and disease management recommendations to those whose lives are touched by PIDDs.

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Last Updated February 27, 2015