| Immune Deficiency Foundation

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.
Learn more about PI
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.
Learn more about living with PI
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.
Get involved today
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.
Learn more about research

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Picture of boy with building blocks

2021 Annual Report

Donor spotlight: Nupur Murthy

Two ambulances parked outside of a hospital emergency room.

I Am Immunocompromised emergency card

Evangelina, born with ADA-SCID, thrives after gene therapy

SCID Family Day provides outreach to Amish community

Parental mental health: Experiences across the SCID journey

(Español) Parental mental health: Experiences across the SCID journey

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"Always sick?" flyer

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CDC analysis confirms COVID-19 danger for the immunocompromised

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Ig replacement therapy is as individual as you

Immune Deficiency Foundation
7550 Teague Road, Suite 220
Hanover, Maryland 21076

P: 410-321-6647