22nd-29th April 2024

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 Comic Book Chapter 4 & 5 RELEASED


  • World PI Week 2024: PID Ambassadors


  • World PI Week 2024: Press Release


  • Chapter 2 of the World PI Week Digital Comic Book is Here!


  • Coming Soon: World PI Week Map of PID Advancements


  • Launch of World PI Week’s First Digital Comic Book: Chapter 1!


See all World PI Week updates