# Quick overview and key dates for the first peer learning exercise
https://www.learning.foundation/nigeria
## Nigeria Immunization Collaborative kicks off July 22nd: Root cause analysis in just 4 days!
The first peer learning exercise of the Nigeria Immunization Collaborative starts on July 22nd.
Participants will have:
- 4 days to develop a root cause analysis of their immunization challenge
- 5 days for peer review and feedback
- 5 more days to submit the final version
Certification will be awarded based on completion of activities. The exercise requires:
- Reliable internet connection
- 5-6 hours of work over three weeks
“You may think that you know what is the cause of that challenge. We’re going to ask you to ask why five times to dig deeper into the issue.”