| 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.
View resource details

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IDF Presents: Battle of the Bands

The importance of the Medicare SCIG Home Infusion Benefit to the PI community

Person typing on a computer

My relationship with an amazing woman

Felicia Morton and her son Sebastian on the train.

Sometimes you sail through…

IDF Advocacy Nevada testimony

2017 testimony on SCID newborn screening in Arizona

The Esqueda family.

A family affair: The Esqueda family

February 13, 2017

IDF Testimony - Colleen

December 20, 2016

IgG subclass deficiency - IDF Reel Stories, Salvatore Ventrice

December 06, 2016

Felix's story: A 7-year-old living with PI

November 30, 2016

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

P: 410-321-6647