Nasal spray vs. needle: which flu vaccine works better?
Knowledge-focused
Ongoing
This study compares two flu vaccines: a nasal spray and a standard shot. Researchers will measure immune responses in the nose and blood of 60 healthy adults aged 18-49. The goal is to understand how each vaccine triggers protection and find ways to improve future flu vaccines.
Phase: EARLY_PHASE1 • Sponsor: Copenhagen Respiratory Research • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:00 UTC