22nd-29th April 2022

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

  • It is World PI Week 2022!

    More...

  • New #WPIWTalks Podcasts out now!

    More...

  • New podcast on early diagnosis and newborn screening now available

    More...

  • New Campaign on the Importance of Access to Quality Care for People Living with PID

    More...

  • New World PI Week podcasts launched in April 

    More...

  • Celebrating Rare Disease Day 2022

    More...

See all World PI Week updates