Decoding PI: The link between PI and cancer
November 06, 2025
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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.
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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.
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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.
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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.
Related resources
Related Resources
What are primary immune regulatory disorders (PIRD)? Symptoms, diagnosis, and treatment explained
December 03, 2025
Watch video
Cancer risk in primary immunodeficiency (PI): Lymphoma, screening, and treatment explained
December 02, 2025
Listen to podcast
Decoding PI: CVID and GLILD with Dr. Michael Jordan
December 01, 2025
Watch video
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