| 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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CGD symptoms vary with superoxide production

Person typing on a computer

Families help shape SCID Compass Family Planning Guide

COVID

Long COVID in the PI community

Survey explores provider SCID knowledge

The Lanier Family

Donor spotlight: The Lanier family

Person typing on a computer

Gene therapy for Wiskott-Aldrich syndrome shows long-term promise

Person typing on a computer

SCID newborn screening brings molecular shift to North Carolina

Mother and son

SCID Compass: A carrier's perspective

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Understanding primary & secondary immunodeficiencies

Healthy diet, exercise key in general care for PI

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

P: 410-321-6647