| 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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Drs. Aisha Ahmed and Elena Hsieh.

Care transition and systems immunology experts join advisory committee

January 27, 2025

Denise Reich painting

Patient advocacy writer draws on experience with CVID

January 23, 2025

Lunch & Learn: IPEX syndrome

January 23, 2025

Living well with PI: Mental health and wellness tips

January 21, 2025

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Two people doing yoga on a beach with text that reads "Living well with PI: Mental health and wellness tips

Living well with PI: Mental health and wellness tips

January 17, 2025

plasma

COVID convalescent plasma approved for those who are immunocompromised

January 16, 2025

woman writing in health records

Maintaining health records improves care with a PI diagnosis

January 13, 2025

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2024 Impact flyer

January 13, 2025

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Immunoglobulin product booklet

January 08, 2025

Undiagnosed podcast thumbnail with person walking in shadow toward light. Text in corner reading "Stories of the long journey to PI diagnosis".

Undiagnosed: The Businessman

January 07, 2025

Listen to podcast

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

P: 410-321-6647