News/Regulation/Apr 21, 2026

European Commission authorizes mCOMBRIAX, the first flu plus COVID combination vaccine

The European Commission granted marketing authorization for mCOMBRIAX, Moderna's mRNA vaccine combining flu and COVID-19 antigens, for adults 50 and older. Moderna calls it the first flu plus COVID combination vaccine to be authorized anywhere. The approval rests on a Phase 3 study of about 8,000 adults, while the US path is still waiting on FDA guidance.

  • Marketing authorization covers adults 50 and older
  • Based on a Phase 3 study of about 8,000 adults in two age cohorts
  • Described by Moderna as the first flu plus COVID combination vaccine authorized
  • US resubmission still awaiting FDA guidance
Source
Moderna press release (BioSpace)
Apr 21, 2026
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