| 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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Ask the expert: Managing multiple conditions with Dr. Ramsay Fuleihan

February 13, 2024

PhRMA

https://phrma.org/

Merck

https://www.merck.com/

Scientist wearing glasses uses dropper to perform work in lab

PI diagnosis sparks PhD candidate’s neuroimmunology research interest

February 09, 2024

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Adulting with PI support group leader specializes in trauma

January 31, 2024

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Complement deficiencies

January 30, 2024

Y-shaped antibody molecule.

Decoding antibody deficiency diagnoses

January 25, 2024

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Strategic Plan 2024-2026

January 25, 2024

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Bill of Rights for individuals with primary immunodeficiencies

January 25, 2024

Genetics

Addressing accessibility of gene and cell therapies

January 24, 2024

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

P: 410-321-6647