No potentially universal or broadly protective influenza vaccines have reached phase 3 trials. However, several next-generation, improved seasonal vaccine candidates are currently in phase 3 trials.
Milestone
4.2.f
Phase 3 efficacy trials
In progress
High priority
Identify the most promising vaccine candidates from phase 2 trials and facilitate good manufacturing practice (GMP) and evaluation in phase 3 trials, such as through sponsorship in public-private partnerships.