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Who Has the Power to Declare a Global Health Emergency?

A staff at the Lagos airport stands at the door of a bus which reads "No Mask No Boarding" as domestic flights resume in Nigeria, July 8, 2020.
Photo credit: Oluwafemi Dawodu / Shutterstock

During the 2024 mpox outbreak, Africa CDC declared a continental public health emergency before the World Health Organization (WHO) issued its global alert. The move marked a significant moment in global health governance, as a regional African institution asserted its authority to declare a major health emergency.

In a new essay published in AJIL Unbound (American Journal of International Law) Link , Research Director of Global Health Law, Roojin Habibi examines how regional
alert mechanisms like the Public Health Emergency of Continental Security (PHECS)
challenge traditional global hierarchies, create a pathway for greater African agency, and self-reliance, and highlight both the potential and the pitfalls of emergency declarations in a fragmented global health system.

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February 24, 2026

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