Primary immunodeficiency in 2026: New practice parameters, genetic testing, and what's changed for patients
May 27, 2026
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Consulting medical director Dr. Mark Ballow steps down
May 26, 2026
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Read "A Zebra Tale"
This illustrated storybook written for children—young and old—living with primary immunodeficiency (PI) and their families provides hope and encouragement. Order or download for free.
Read "Our Immune System"
This illustrated non-fiction book helps kids (of all ages!) understand how the immune system works and how primary immunodeficiency (PI) can affect it. Order or download for free.
Get our kid's kit
If you're a kid with PI, ask a parent or caregiver to order our newly diagnosed kit for kids—it's free! You'll get two kid's books, a comic, and helpful resources for your whole family.
Kids Korner: How Ig infusions help people with PI stay healthy
May 20, 2026
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Get support
The Immune Deficiency Foundation is your home for hope.
Has your life been impacted by PI? When navigating symptoms, diagnosis, treatment, insurance, and emotions, turn to IDF for answers and connections.
Foundation is monitoring hantavirus situation
May 11, 2026
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Teen with A-T explores passion for adventure
May 11, 2026
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Foundation bringing National Conference to San Antonio
May 08, 2026
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