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Authors
Greenhalgh, Trisha https://orcid.org/0000-0003-2369-8088
Helm, Rebecca
Poliseli, Luana
Ratnayake, Sahanika
Trofimov, Alexandra
Williamson, Jon
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Funding
Funding for this research was provided by:
UK Research and Innovation (25130)
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Article History
Received: 27 June 2025
Accepted: 1 October 2025
First Online: 17 November 2025
Declarations
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: As the focus of the study is on evidence review, no new data will be created and research ethics approval is not required.
: Not applicable (desk research).
: JW developed the Evidential Pluralism methodology that is the basis for the proposed systematic review+ approach. TG led a previous narrative review on masks and is a member of Independent SAGE. All other authors declare no conflicts of interest.
