World PI Week screening
Friday, April 25, 2025
7:30 p.m. (ET)
Immune Deficiency Foundation
This event is online:
This event is free and viewable to the public
Hosted by Immune Deficiency Foundation
Sign up to watch
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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.
Find a Compromised: Life Without Immunity screening near you.
2025 Special events
March 14 | Online
PI (pi) Day special screening
February 28 | Online
Rare Disease Day special screening
January 31 | Online
International Zebra Day special screening
2024 Special events
November 17 | St. Louis, MO
Hosted by Rare & Black/Washington University
October 10 | Houston, TX
Hosted by Texas Children's Hospital
September 7 | New York, NY
Selection of Social Impact Film Festival
June 21 | Chicago, IL
Special presentation at PI Conference
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