| Immune Deficiency Foundation

Understanding primary immunodeficiency (PI)
Understanding PI
The more you understand about primary immunodeficiency (PI), the better you can live with the disease or support others in your life with PI. Learn more about PI, including the various diagnoses and treatment options.
Learn more about PI
Living with PI
Living with PI
Living with primary immunodeficiency (PI) can be challenging, but you’re not alone—many people with PI lead full and active lives. With the right support and resources, you can, too.
Learn more about living with PI
Get involved
Get involved
Be a hero for those with PI. Change lives by promoting primary immunodeficiency (PI) awareness and taking action in your community through advocacy, donating, volunteering, or fundraising.
Get involved today
Advancing research and clinical care
Advancing research and clinical care
Whether you’re a clinician, researcher, or an individual with primary immunodeficiency (PI), IDF has resources to help you advance the field. Get details on surveys, grants, and clinical trials.
View resource details

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IDF Peer Support volunteers provide encouragement and assistance

November 14, 2022

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Paying for immunoglobulin replacement therapy

November 14, 2022

Emily Gordon and Kumail Nanjiani

IDF joins Emily V. Gordon & Kumail Nanjiani for new campaign

November 11, 2022

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Hyper IgE/Job syndrome Lunch & Learn

November 08, 2022

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List of genetic variants that cause primary immunodeficiency expands

November 01, 2022

Seniors with primary immunodeficiency require extra care

October 31, 2022

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A SCID Compass retrospective

October 31, 2022

Listen to podcast

Get Connected Groups unite primary immunodeficiency community

October 30, 2022

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Bone marrow transplant shows promise for chronic granulomatous disease

October 22, 2022

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IDF Lunch & Learn: Hemophagocytic lymphohistiocytosis (HLH)

October 17, 2022

Immune Deficiency Foundation
7550 Teague Road, Suite 220
Hanover, Maryland 21076

P: 410-321-6647