| 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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Little girl ill in bed

Consider increasing Ig therapy for breakthrough infections

Lunch and Learn: Understanding genetic variants in APDS

Vaccine

FDA’s new COVID-19 vaccine framework places immunocompromised people at risk

Amy Johnson at the river

Woman with CVID encourages others to ‘get involved’

Kim DiGangi smiles and wave at Walk for PI

Peer support program builds connection

hands in shape of heart

Caregiver compassion & connection guide

Problems in practice: Insurance with Dr. Marcus Shaker

Listen to podcast

Contagious disease graphic

Stay informed to protect against contagious disease outbreaks

Living well with PI: Impact of federal policy changes on the PI community

Listen to podcast

Doctor examining patient

Time to diagnosis is critical in PI health outcomes

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

P: 410-321-6647