Recently fired members of a committee that advises the federal government on immunization safety lashed out at Health and Human Services Secretary Robert F. Kennedy Jr., saying that their terminations will limit access to vaccines and put American lives at risk.

Robert F. Kennedy Jr.’s decision to overhaul a key committee on vaccine policy has left the country’s vaccine infrastructure “critically weakened,” former members of the group said in a piece published in JAMA on Monday.

All 17 members of ACIP, the Advisory Committee on Immunization Practices, have just published an article in JAMA (Journal of the American Medical Association) highlighting their experiences on the committee and their grave concerns about their recent firings by RFK,