(P-1472) Comparable Vaccine Effectiveness of Adjuvanted and High-Dose Influenza Vaccines in Preventing Test-Confirmed Influenza Outcomes, including Hospitalization, in Overall and High-Risk Older Adults: A Test-Negative Design Study During 2022-2023 and 2023-2024

Tuesday, October 21, 2025

12:15 PM - 1:30 PM US ET

Location: Poster Hall B4-B5

Presenting Author(s)

BC

Benjamin Chastek, MS

Optum
Eden Prairie, Minnesota, United States
TB

Tim Bancroft, PhD

Associate Director of Methods
Optum
eden prairie, Minnesota, United States
NW

Noah Webb, PhD

Optum
Eden Prairie, Minnesota, United States
SP

Stephen I. Pelton, MD

Pediatric I D physician
Boston Medical Center
Boston, Massachusetts, United States
MH

Mendel Haag, PhD, PharmD

CSL Seqirus
Amsterdam, Noord-Holland, Netherlands
Ian McGovern, MPH (he/him/his)

Associate Director, Center for Outcomes Research and Epidemiology
CSL Seqirus
Waltham, Massachusetts, United States