| 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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Brother donates cells to sibling with rare PI

February 26, 2021

Genetic counseling part of the SCID Compass series

February 23, 2021

SCID Compass: Understanding SCID

February 23, 2021

maria diaz unexplainable miracles

'Blessed with unexplainable miracles'

February 18, 2021

SCID Compass Lunch & Learn: February 3, 2021

February 08, 2021

Enrolling new patients

Financial assistance available

January 26, 2021

Genetics & PI

Genetics and the immune system

January 20, 2021

SCID Compass: Exploring treatment options

January 19, 2021

SCID treatment requires lifelong follow-up

January 08, 2021

Person typing on a computer

Q&A focuses on vectors for gene therapy

December 23, 2020

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

P: 410-321-6647