| 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 video

PI: The basics: An IDF Forum, September 1, 2020

September 01, 2020

Person typing on a computer

Plasma Hero launched

August 31, 2020

SCID Compass receives $2.97M grant

August 19, 2020

Create your own Faces of IDF Handout

August 10, 2020

Volunteer treasures IDF friendships

August 05, 2020

Long-time IDF volunteer finds love, support within her zebra family

laptop

PI & wellness: An IDF Forum, July 11, 2020

Kid in wheelchair holds "Top Team Award" certificate at St. Louis 2019 Walk for PI.

IDF 101 Forum: An introduction to IDF, July 8, 2020

Ken and Lisa on their farm

Donor spotlight: Ken and Lisa

SCID mandated in PA newborn screenings

SCID Compass Lunch & Learn: June 23, 2020

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

P: 410-321-6647