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12 former FDA chiefs unite to say agency memo on vaccines is deeply stupid

Ars TechnicaDecember 4, 2025business

Key Points:

  • Vinay Prasad, the FDA’s chief medical and scientific officer, sent a controversial memo claiming COVID-19 vaccines have killed 10 children in the US without evidence and announced major changes to vaccine regulation, including requiring lengthy randomized trials instead of current immunobridging studies.
  • A group of a dozen former FDA commissioners strongly rebuked Prasad’s memo in the New England Journal of Medicine, calling it a threat to the FDA’s work, misrepresenting science, and potentially harmful to public health by slowing vaccine updates and innovation.
  • The commissioners criticized Prasad’s reliance on unverified VAERS reports to claim child deaths linked to vaccines, noting these reports had been previously reviewed and found unrelated to COVID-19 vaccines, and highlighted substantial