On March 1, 2021, the countries of the Americas began receiving vaccines through the COVAX Mechanism, an unprecedented global effort between CEPI, Gavi, Unicef, PAHO, and WHO to ensure equitable access to immunization throughout the world. The PAHO Revolving Fund is the mechanism designated by COVAX to procure the vaccines on behalf of the countries in the region. — Data on vaccine doses administered in the Americas