Welcome to Immune Deficiency Foundation
Improving the diagnosis, treatment, and quality of life of people affected by primary immunodeficiency through fostering a community empowered by advocacy, education, and research.
IDF Walk for Primary Immunodeficiency
Registration is now open! Now you can walk, run or move for a great cause. Join us and help create better lives for the primary immunodeficiency (PI) community.
COVID-19 Updates
View the latest info that relates to the PI community.
Is it just an infection?
Learn more about these rare, chronic disorders.
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Learn About PI

With more than 400 primary immunodeficiency diseases (PI) recognized by the International Union of Immunological Societies, we have created an online guide to helping you understand them.

Request Your Welcome Packet and Educational Publications

IDF provides educational publications developed by experts. Sign up to receive personalized information at no cost to you.

Ask IDF!
Get the answers to your questions. IDF is here for you.
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Rare of the Rare Summit

October 1-2, 2021
IDF's Rare of the Rare Summit aims to focus more attention on those who are sometimes overlooked, even among those who specialize in rare diseases. This multi-day virtual summit will include opportunities for engagement, including sessions, keynotes, and space to connect with sponsors, exhibitors, and subject matter experts.

IDF Walk for Primary Immunodeficiency

IDF Walk for Primary Immunodeficiency, held in cities across the country, helps create better lives for those living with PI, and fund vital programs and resources.

IDF Calendar of Events
Find an IDF event in your area.
Plasma Hero

The more we learn about plasma, the more we realize its life-saving potential. We need your help. We need heroes to step up, donate, and save lives.

Have you Herd? an IDF Podcast

Listen along as we explore your questions and dive into topics that matter to you.

IDF Videos: Hear from Others, Learn from Experts

Access all IDF's video channels, including stories from people living with PI and presentations from Healthcare Professionals.

Need Help Navigating Health Insurance?

Our Patient Insurance Center provides information regarding insurance issues, helpful resources and other possible sources of assistance.

SCID Compass

Wherever you are on your journey with Severe Combined Immune Deficiency (SCID), SCID Compass will help you find the information and support you need.

Living with CGD

Visit Living with CGD, the IDF resource for the Chronic Granulomatous Disease community.

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