This Big Catch-Up Progress Newsletter serves as a global overview of the implementation of the BCU initiative across 36 countries.
It aims to provide to partners, country teams and other immunization stakeholders, a data-driven summary of progress made in reaching zero-dose and under-immunized children with catch-up vaccine doses, while also keeping stakeholders informed and engaged on the progress of strengthening and restoration efforts to routine immunization systems through the BCU initiative.
Download the September 2025 issue here. Download the February 2026 issue here.
