74
Participants
Start Date
September 11, 2023
Primary Completion Date
June 16, 2025
Study Completion Date
June 16, 2025
Fluzone High-Dose - 2 doses
2 doses of the High-Dose (HD) influenza vaccine separated by 4-6 weeks For 2023-2024 influenza season the influenza quadrivalent HD vaccine was used. For 2024 -2025 influenza season the influenza trivalent HD vaccine will be used.
Fluzone High-Dose - 1 dose of HD
1 dose of the High Dose (HD) influenza vaccine, followed by a placebo injection 4-6 weeks later For 2023-2024 influenza season the influenza quadrivalent HD vaccine was used. For 2024 -2025 influenza season the influenza trivalent HD vaccine will be used.
University of Minnesota, Minneapolis
University of Minnesota
OTHER