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You are not alone

Primary immunodeficiency (PI) doesn’t have to feel isolating.

We’re here for you

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Host a screening of IDF's new documentary

Witness the impossible decisions faced by those living with primary immunodeficiency (PI) disorders. Join the waitlist to host a private screening of Compromised: Life Without Immunity to experience the resilience, hope, and determination of the PI community.

Join the waitlist

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Walk for PI 2024

The IDF Walk for Primary Immunodeficiency (PI) is an opportunity for communities across the nation to gather and raise both funds and awareness for PI and the immunocompromised community in general. At each event, you can form a team, join a team, register as an individual walk, or make a contribution.

Find a walk near you

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Let us guide you.

If you are living with PI, think you might have PI, are a caregiver, a healthcare professional, or are just looking to learn more we can help. 

Who is the Immune Deficiency Foundation?

IDF transforms the lives of tens of thousands each year*

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IDF educational materials were provided to members of the PI community at no cost to them.


people were able to connect at IDF events, both online and in person.


people followed IDF over social media platforms.

*statistics based on 2022 Community Impact Report

Join an IDF event

Learn more about all the ways to learn, connect, and engage with IDF, whether online and in person.

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Stay informed 

Browse the latest news articles, videos, and podcasts to find the most up-to-date information about advancements in PI treatments, portrayal in the media, and other IDF efforts.