Scientists test flu shots Head-to-Head in rare timing study
Knowledge-focused
Completed
This study aimed to understand how the immune system responds when the flu vaccine formula is updated each year. Researchers gave 23 healthy adults the 2023 vaccine very late in the flu season (May-June 2024) to directly compare its effects with the newer 2024 vaccine. The goal w…
Phase: PHASE4 • Sponsor: La Jolla Institute for Immunology • Aim: Knowledge-focused
Last updated Mar 16, 2026 15:24 UTC