President Donald Trump has signed an executive order directing federal health agencies to reshape childhood vaccine recommendations, including greater emphasis on administering vaccines individually rather than in combination.
The order specifically calls for consideration of separating the measles, mumps and rubella vaccine into three shots.
The administration's revised framework seeks to recommend routine vaccination against 11 diseases, while placing several other vaccines into categories for high-risk groups or shared decisions between doctors and parents.
The changes build on an earlier administration-backed review of the U.S. childhood vaccine schedule.
The policy marks a major shift in federal vaccine guidance and has drawn concern from medical and public-health experts who warn that weaker routine recommendations could reduce vaccination rates and increase vulnerability to preventable diseases.
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Trump signs childhood immunization executive order to limit shots - claims MMR vaccine can be 'quite lethal' https://t.co/aO8D925q0E pic.twitter.com/WKRaKpw5rJ
— New York Post (@nypost) August 10, 2026
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