# Moderna's mRNA-based combination vaccine against both flu and COVID-19 has gotten the green light in Europe.

*biotech · news · 2026-04-24 · Ars Technica*

## Key points

- Europe has authorized Moderna's mRNA-based combination flu and COVID-19 vaccine, mCOMBRIAX.
- mCOMBRIAX produces significantly higher immune responses than standard or high-dose flu vaccines.
- Moderna withdrew its US application for mCOMBRIAX and has not yet resubmitted it.
- FDA political appointee Vinay Prasad initially refused to review Moderna's flu vaccine, later reversing the decision.
- The FDA is expected to decide on Moderna's mRNA-1010 flu vaccine by August 5.

**Companies:** Moderna
**Countries:** United States, European Union, Iceland, Liechtenstein, Norway

[Read the full story on Ars Technica](https://arstechnica.com/health/2026/04/europe-not-us-first-to-authorize-modernas-combo-mrna-flu-covid-vaccine/)

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