The Journal. · The Wall Street Journal & Spotify Studios
The Flu Shot Drama at the FDA
February 18, 2026·20 min·1 clip
FDA regulator Vinay Prasad blocked Moderna's flu shot over a clinical trial disagreement, causing internal strife.
As heard by us
A clear look at how FDA politics can turn vaccine review into business risk.
The Flu Shot Drama at the FDA treats Moderna's mRNA flu shot as more than a vaccine filing. The episode follows the FDA's refusal to review the application, its later decision to take it up, and the internal objections to Vinay Prasad's call.
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