| 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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La importancia de participar en las investigaciones: La experiencia de una Familia (The importance of participating in research: One family’s experience)

December 20, 2018

The Adams and Hunkapiller family.

Brothers with CGD reach 11-year post-transplant milestone

December 12, 2018

Person holding a baby's feet.

All 50 states now screening newborns for severe combined immunodeficiency (SCID)

December 11, 2018

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The history of SCID newborn screening

December 10, 2018

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Sample letter from provider appealing denial of authorization of immunoglobulin therapy

October 17, 2018

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Tips for prior authorization and appealing denials for healthcare professionals

October 17, 2018

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A tale of two lives

October 12, 2018

Kim DiGangi at an IDF Walk for PI event.

IDF volunteer Kim DiGangi: A little help from new friends can go a long way

September 20, 2018

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Prescription costs and co-pay accumulators

September 18, 2018

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IDF Guide to Ig Therapy

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

P: 410-321-6647