Trump weighs executive order on vaccines that would split MMR into three shots and threaten funding for states without exemptions; AAP warns it will inject uncertainty and fear
Andrew RacineRobert F. Kennedy Jr.Peter HotezDonald TrumpBlue Cross Blue ShieldRice UniversityHealth and Human ServicesCenters for Disease Control and PreventionAmerican Academy of PediatricsCVS

Trump weighs executive order on vaccines that would split MMR into three shots and threaten funding for states without exemptions; AAP warns it will inject uncertainty and fear

President Trump is considering an executive order that would split the MMR vaccine into three separate shots and threaten funding for states lacking vaccination exemptions. The AAP warns this could inject uncertainty and fear into vaccination practices, complicating parental choices and public health efforts.

CNN11 August 2026 · 04:36 UTC
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President Trump’s proposed executive order aims to reduce the number of routine childhood vaccinations from 18 to 11, with the MMR vaccine being split into three separate shots.

Dr. Andrew Racine of the AAP expressed concern, stating, “The only thing that I can see is going to happen as a result of the announcement from today is an injection of greater amounts of uncertainty and fear and confusion.”

The order threatens legal action against states that do not allow religious or personal-belief exemptions, potentially withholding federal funding.56

Four states—California, Connecticut, Maine, and New York—currently do not permit such exemptions for school-required vaccines.

The White House maintains that free vaccines through the Vaccines for Children program will remain unaffected, as they rely on CDC guidance.1234

Major insurers like Blue Cross Blue Shield and CVS are reviewing the order but plan to continue covering CDC-recommended vaccines without co-pays for now.

Critics argue that the proposed changes could lead to confusion among parents and healthcare providers, as the MMR vaccine is typically administered as a single shot in the U.S.

“That doesn’t exist in the United States, so I don’t know where he’s getting that from,” said a pediatric office representative, highlighting the logistical challenges of administering separate vaccines.

US Health and Human Services Secretary Robert F. Kennedy Jr. previously attempted to alter the childhood vaccine schedule, but those efforts were halted by a judge's order in March.

Key Insight
“The order follows HHS Secretary Robert F. Kennedy Jr.'s January attempt to change the childhood vaccine schedule, halted by a judge in March. Legal experts note an executive order cannot replace the statutory process, which rests with the CDC's Advisory Committee on Immunization Practices.”
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“President Donald Trump signed an executive order Monday that seeks to pare down the number of routine immunizations for children.”
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