When did the World Health Organization establish the Expanded Programme on Immunization (EPI)?
Answer
1974
The administrative infrastructure for global vaccine deployment evolved gradually over decades. A significant step in coordinating these efforts on an international scale was taken by the World Health Organization (WHO) in 1974. During this year, the WHO officially established the Expanded Programme on Immunization (EPI). The goal of the EPI was to develop and implement comprehensive global immunization programs, demonstrating a long-standing administrative need for distribution coordination, even before the specialized technical challenges of the 21st century arose.

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