The claim
今年からインフルエンザワクチンはmRNAに?
Original review summary
The review says the claim that influenza vaccines switched to mRNA is false: mRNA influenza vaccines are still in development and have not been approved for use. It reports that the vaccines currently available in Japan are inactivated and intranasal live attenuated vaccines.〔S1〕[S1]
Research date:
Sources and attribution
- [S1] 日本ファクトチェックセンター(JFC) original review
Original review · Retrieved October 16, 2026