New mRNA flu shot approved for adults 50+ this fall—learn how it works
- Posted on August 7, 2026
- By Bing News
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- 1 min read
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New mRNA flu shot approved for adults 50+ this fall—learn how it works
In a late-stage clinical trial involving more than 40,000 adults, in which Moderna's vaccine reduced laboratory-confirmed influenza cases by about 27% compared with a standard-dose flu shot.