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World PI Week 2022

Primary immunodeficiencies are complex problems with the immune system that make people more vulnerable to serious infections. Learn more about PIs in this infographic.


World PI Week from April 22-28 shines a spotlight on primary immunodeficiencies, immune system problems that patients are born with. Need more information? Visit the International Patient Organisation for Primary Immunodeficiencies and the Immune Deficiency Foundation.

3 important stats about primary immunodeficiency, including that it affects 6 million people, there are an estimated 450 types and it takes 12 years, on average, for patient to get diagnosed.