| 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 video

The zebra's guide to job hunting for young adults: 2024 PI Conference

August 05, 2024

IDF video

More than my PI: Defining my identity on my own terms: 2024 PI Conference

August 05, 2024

IDF video

Activated PI3K delta syndrome (APDS) overview: 2024 PI Conference

August 05, 2024

IDF video

Love & lymphocytes: Finding love with a chronic condition: 2024 PI Conference

August 05, 2024

IDF video

PI & hepatology: 2024 PI Conference

August 05, 2024

IDF video

Communicating your diagnosis: Your care team & beyond: 2024 PI Conference

August 05, 2024

IDF video

Emerging immunotherapies for PI: 2024 PI Conference

August 05, 2024

IDF video

Managing food allergies with PI: 2024 PI Conference

August 05, 2024

IDF video

Emerging diagnostics & therapies for chronic granulomatous disease (CGD): 2024 PI Conference

August 05, 2024

IDF video

Parents of children with SCID, CID, and complex PI: 2024 PI Conference

August 05, 2024

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

P: 410-321-6647