| 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 Podcast Graphic

How one family navigates isolation for SCID during COVID

September 30, 2021

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Rare of the Rare

Rare of the Rare examines SCID treatment long-term

September 28, 2021

Genetic testing helpful in PI diagnosis

September 24, 2021

Family picture

Faith guides mom with CGD

September 23, 2021

Back-to-school Q&A focuses on SCID

September 17, 2021

IDF Podcast Graphic

Teens with PI and vaccines

September 17, 2021

Listen to podcast

2020 Annual Report Cover Page

2020 Annual Report

September 10, 2021

genetic testing

Genetic Testing for Inborn Errors of Immunity (PI): An IDF Forum, September 9, 2021

September 09, 2021

L&L HSCT During Pandemic

Pandemic doesn't delay SCID treatments

August 31, 2021

Person typing on a computer

Donor spotlight: Woody Hutsell

August 30, 2021

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

P: 410-321-6647