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Article History

Received: 27 September 2024

Accepted: 3 December 2025

First Online: 11 December 2025

Change Date: 14 February 2026

Change Type: Update

Change Details: Following the article's publication, supplementary material was incorrect. This has been corrected.

Declarations

:

: This survey study complied with the regulations and instructions set up by Statistics Denmark. Statistics Denmark follows the current GDPR legislation and provides participants with the appropriate study information before obtaining informed consent from all subjects answering the survey. We used only anonymised data and present data only in aggregate and anonymous form. Additional ethics committee approval is not required for register-based research, according to Danish law. All participants provided consent for participation.

: Not applicable.

: JHR and JO are employees at EY, which is a paid vendor of Pfizer Denmark ApS. NBS and MLvL were paid by Pfizer Denmark ApS for their work as a member of the study steering committee. NBS served as principal investigator on clinical studies investigating RSV vaccines sponsored by Pfizer and Moderna. The authors report no other conflicts of interest in this work.MS is employee of Pfizer Denmark ApS and owns shares in Pfizer Inc.