
mRNA flu shot beats standard vaccine in major trial, FDA decision looming
In a Phase 3 trial of more than 40,000 adults aged 50+, Moderna's mRNA influenza vaccine reduced illness to about 2.0% vs 2.8% for standard vaccines (roughly 27% more effective), with similar improvement in adults 65+. Side effects were mild. The FDA decision on licensure is expected by Aug. 5, as Moderna pursues approval; no mRNA flu vaccine is approved anywhere yet.













