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Authors
Chan, Yu-Jiun https://orcid.org/0000-0001-8065-7421
Eng, Philip https://orcid.org/0009-0001-1384-446X
Fu, Pin-Kuei https://orcid.org/0000-0002-9416-4094
Harimurti, Kuntjoro https://orcid.org/0000-0002-9771-803X
Hasmukharay, Kejal https://orcid.org/0000-0001-6279-3999
Kiertiburanakul, Sasisopin https://orcid.org/0000-0003-4379-4704
Kurup, Asok https://orcid.org/0009-0003-2209-5020
Pang, Yong Kek https://orcid.org/0000-0001-7883-8928
Salvana, Edsel Maurice https://orcid.org/0000-0001-6543-1942
Santiaguel, Joel M. https://orcid.org/0009-0001-3951-0425
Singh, Gurmeet https://orcid.org/0000-0002-0734-0660
Wongsurakiat, Phunsup https://orcid.org/0000-0002-6576-1690
Taysi, Bulent Nuri https://orcid.org/0009-0003-2318-7293
Fletcher, Mark A. https://orcid.org/0000-0002-2660-8730
Thakkar, Karan https://orcid.org/0000-0001-8831-6824
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Funding
Funding for this research was provided by:
Pfizer
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Article History
Received: 12 August 2025
Accepted: 17 September 2025
First Online: 27 October 2025
Declarations
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: Sasisopin Kiertiburanakul has received honoraria for lectures, served on advisory boards, and received congress travel grants from Pfizer. Yu-Jiun Chan, Philip Eng, Pin-Kuei Fu, Kuntjoro Harimurti, Kejal Hasmukharay, Sasisopin Kiertiburanakul, Asok Kurup, Yong Kek Pang, Edsel Maurice Salvana, Joel M. Santiaguel, Gurmeet Singh, and Phunsup Wongsurakiat were paid consultants to Pfizer in connection with the development of this manuscript. Bulent Nuri Taysi (BNT), Karan Thakkar (KT) and Mark A. Fletcher (MAF) are employees of Pfizer, a manufacturer of a subunit RSV vaccine indicated for older adults. Representatives of Pfizer (BNT, KT, and MAF) contributed to study design, selection of questionnaire items, and manuscript drafting, but they had no role in Delphi panel voting or consensus decision-making. The study authors, unaffiliated with Pfizer, exclusively generated the recommendations as sole members of the modified Delphi expert consensus panel.
: Not applicable; the Delphi approach relied solely on expert opinions and previously published information without involving any patient data. Both surveys were anonymous and closed ended.
