22nd-29th April 2023

Millions of people live with a compromised immune system worldwide due to a genetic defect. Together, we can make a difference in their lives by stimulating early diagnosis and access to care.

World PI Week 2021 embraced three main topics:

Raising awareness of defects of the immune system such as PID takes on an even greater significance amid COVID-19.


Join the campaign, help make a difference! Strike a Y, show support to the PID cause!

World PI Week promotes:

  • Solidarity, togetherness & collaboration
  • Awareness & education
  • Investment, political attention & action
  • Research & innovation

Find all World PI Week general materials here.

The World PI Week 2021 outcome report is available here.

Recent News

  • World PI Week 2023 highlights: the campaign report is now out!

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  • Participate in the #PIctureAwareness Contest for 2023!

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  • Save the Date: World PI Week Kick-off Event: Patient-Clinician Coffee Talk (Hybrid)!

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  • Save the Date: World PI Week Kick-off Event: Patient-Clinician Coffee Talk (Hybrid)!

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  • Coming soon: World PI Week Roadshow Series!

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  • World PI Week Launches Factsheet on Health Data!

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See all World PI Week updates