Jeff Coller: The FDA Just Refused to Review Moderna’s mRNA Influenza Vaccine Application

Jeff Coller: The FDA Just Refused to Review Moderna’s mRNA Influenza Vaccine Application

Jeff Coller, Bloomberg Distinguished Professor of RNA Biology and Therapeutics at Johns Hopkins University, shared a post on LinkedIn:

Breaking: The FDA just refused to review Moderna’s mRNA influenza vaccine application.

Not rejected on the science. Not rejected on safety. Refused to review.

This morning, Mexico announced a 5-year strategic agreement with Moderna for mRNA technology transfer and domestic manufacturing.

This afternoon, the FDA told Moderna: we won’t even look at your flu vaccine.

Moderna took the extraordinary step of releasing the FDA’s letter publicly. CEO Stéphane Bancel: This decision “does not further our shared goal of enhancing America’s leadership in developing innovative medicines.”

Three weeks ago at Davos, Bancel said the company won’t invest in new late-stage vaccine trials due to U.S. regulatory hostility.

Now we see why.

American technology. American investment. American company.
Going everywhere but America.”

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Medically reviewed Feb 12, 2026 by Mariam Khachatryan, MD