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

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2024 PI Conference in Chicago, IL

The 2024 PI conference will bring together the PI community for three days of connection, learning, and networking. Featuring the most up-to-date information from world-renowned healthcare professionals and life management experts, this will be an experience you won't want to miss!

Explore the agenda

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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.