| 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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Mom jumping with two kids.

Newly diagnosed kit for kids with PI

IDF publications laid out on a table with blue IDF tablecloth.

Newly diagnosed kit for adults with PI

woman standing in yellow flowers

Physical therapist understands PI as patient and provider

Matthew Jacobsen at 13, far right, with his father, mother, Gina, and sister (from left to right).

UnitedHealthcare beneficiaries fight for access to immunoglobulin

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The continued need to protect the health of the immunocompromised

Living will papers with eyeglasses and pen

Advance directives provide peace of mind for patients and families

thumbnail for PI and fatigue

Ask the expert: PI and fatigue with Dr. Joud Hajjar

Food Allergy

Conference features food allergy and PI session

February 29, 2024

Stethoscope lying on top of insurance policy papers

Alternative funding programs hinder access to medications

February 26, 2024

Equity, inclusion, and diversity spelled in wooden blocks.

New health access initiative launched for immune deficiencies

February 22, 2024

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

P: 410-321-6647