Moderna said the FDA's refusal was inconsistent with previous feedback from the agency.

Moderna said the FDA's refusal was inconsistent with previous feedback from the agency.

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FDA Refuses to Review Moderna’s mRNA Flu Vaccine Application, Company Says

The FDA has refused to accept Moderna’s application for its first mRNA-based seasonal flu vaccine, citing concerns over the clinical trial’s comparator, marking a rare setback amid broader political and regulatory scrutiny of mRNA technology.