Big Catch-up Information Pack for Regional and Country Teams

The Big Catch-up is a global initiative launched in April 2023 to close immunization gaps caused by the backsliding of immunization coverage during the COVID-19 pandemic, restore global immunization levels, and strengthen immunization systems so that catch-up activities become an integral part of immunization programmes.

Building on the Big Catch-up FAQs, this document summarizes key information for countries at each stage of developing their Big Catch-up plans and activities:

1. Understanding the Big Catch-up

2. Developing an application

3. Application review process

4. Activity implementation

5. Monitoring catch-up activities

This document will be updated as needed. Please check back to ensure you are viewing the most recent version.

Last update: 7 March 2024

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