Big Catch-Up Frequently Asked Questions (FAQs)

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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.

This document outlines Frequently Asked Questions (FAQs) covering:

• Rationale for the Big Catch-up
• WHO recommendations for catch-up vaccination
• Scope of Gavi support for the Big Catch-up
• Monitoring, Evaluation, and Learning 

This document will be updated on a rolling basis. Please check back to ensure you are viewing the most recent version.

Last update: 19 February 2024