| 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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Young woman on a bridge.

Immune Deficiency Foundation Guide for Young Adults

February 02, 2023

Study shows gene therapy is effective for Artemis-SCID

February 01, 2023

Renowned immunologists join IDF’s Medical Advisory Committee

January 31, 2023

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Update: Evusheld no longer authorized in the U.S.

January 26, 2023

Son with chronic granulomatous disease goes through BMT with family’s support

January 25, 2023

Taking notes while eating lunch

Lunch & Learn: Specific antibody deficiency

January 25, 2023

Resources just for you

If you are living with PI, think you might have PI, are a caregiver, or healthcare professional, perhaps these resources will help.

“Always sick?” flyer

Use this printable flyer to raise awareness of PI in your community or share it with your healthcare provider if you think you may have PI.

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IDF serves thousands through education, advocacy, and research efforts

January 24, 2023

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Medicare Home IVIG Benefit: FAQs

January 19, 2023

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

P: 410-321-6647