Event Brief
mRNA flu vaccine trial shows 27% fewer cases
Filed: May 11, 2026 at 3:00 PM ET
Summary: New mRNA-based flu shot cuts confirmed illness ~27% vs standard; FDA decision expected by Aug. 5.
WHO: Researchers and the FDA; trial participants across age groups
WHAT: An experimental mRNA flu vaccine reduced confirmed flu illness by about 27% versus standard-dose shots; protection held across groups and strains.
WHEN: May 11, 2026 at 2:47 PM ET
WHERE: Florida
WHY: The mRNA technology behind COVID-19 vaccines is being tested to improve annual flu protection.
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