Moderna hit with FDA refusal-to-file letter for mRNA flu shot, issues sharp rebuke of FDA’s rationale
During the first year of the Trump administration, signs of an anti-mRNA slant within the FDA and the Department of Health and Human Services (HHS) became more and more evident. Now, with a refusal-to-file (RTF) letter issued to Moderna over the company’s next-gen flu shot, the situation has been brought into a much clearer focus.