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Authors
Collins, Téa E.
Akselrod, Svetlana
Berlina, Daria
Karapici, Amanda
Ortenzi, Flaminia
Bashir, Fatima
Allen, Luke N. https://orcid.org/0000-0003-2750-3575
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Article History
Received: 3 September 2024
Accepted: 16 August 2025
First Online: 27 September 2025
Declarations
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: Our study was a secondary analysis of publicly available documents and therefore did not require ethical approval.
: Not applicable.
: Téa E. Collins, Svetlana Akselrod, Daria Berlina, and Amanda Karapici are WHO employees. Flaminia Ortenzi, and Luke N Allen are WHO consultants. Fatima Bashir is a Gavi employee. Luke N Allen also works as a consultant to the World Bank.
: The authors alone are responsible for the views expressed in this article and they do not necessarily represent the decisions, policy or views of the World Health Organisation.
