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Learn About PI

With more than 350 primary immunodeficiency diseases (PI) recognized by the International Union of Immunological Societies, we have created an online guide to helping you understand them.

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IDF provides educational publications developed by experts. Sign up to receive personalized information at no cost to you.

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IDF 2019 National Conference

The IDF National Conference is a platform for all facets of the PI community. From physicians to nurses to specialized life management experts, individuals and families are presented with an unsurpassed opportunity to network with those on the cutting edge of research and treatment.

IDF Walk for Primary Immunodeficiency

IDF Walk for Primary Immunodeficiency, held in cities across the country, helps create better lives for those living with PI, and fund vital programs and resources.

IDF Teen Escapes 2019

Calling all teens with PI ages 12-18! Join us in San Jose, CA, July 13-14, 2019, or Orlando, FL, July 27-28, 2019 for an IDF Teen Escape weekend! These fun getaways feature activities to build leadership skills, presentations from medical and life skills experts, a trip to Dave & Buster's for dinner and games and separate sessions just for parents.

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Need Help Navigating Health Insurance?

Our Patient Insurance Center provides information regarding insurance issues, helpful resources and other possible sources of assistance.

IDF Videos: Hear from Others, Learn from Experts

Access all IDF's video channels, including stories from people living with PI and presentations from Healthcare Professionals.

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