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.
Join us for IDF Walk for PI!
Walk with family and friends to raise awareness and remind the PI community they are not alone.
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.
Get Started
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.
Join Us
2022 Primary Immunodeficiency Conference

This three-day conference is the largest gathering of PI patients in the world, bringing together the entire PI community (patients, caregivers, and clinicians) for three days of connection, learning, and networking in a fully engaging virtual environment with in-person sessions at three locations.

IDF Virtual Advocacy Day 2022

On May 4th, IDF will hold what we hope will be our largest Advocacy Day yet! Visit the Virtual Advocacy Day homepage to register to join us and learn about the crucial issues the PI community will advocate for.

Virtual Caregivers Support Groups

Guided by a licensed mental health professional, these monthly groups are a great opportunity for caregivers 18 years or older and connected to a person with a PI to meet and explore shared experiences. 

Visit our calendar of events and register now for our next monthly Virtual Caregivers Support Group meeting.

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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