Donald Trump has signed an executive order with plans for sweeping changes to the childhood vaccination schedule that attempts to override the authority of the US Centers for Disease Control and Prevention (CDC).
It is an attempt to undergird the changes made earlier this year to CDC vaccination recommendations, which were halted by a federal judge. The CDC is the federal agency tasked with recommending vaccines, not the White House.
The order would also require that the measles, mumps and rubella vaccine be broken into three separate shots, once it becomes available in the US. And it would recommend that all shots be given at separate medical visits, a frequent point Trump has made despite the safety, ease and lower costs of giving vaccines together.
On a press call, a White House official said the order draws on a Department of Health and Human Services (HHS) scientific assessment published in January 2026, which examined “comparisons of the U.S. to other peer-developed nations” and looked at “where there is consensus amongst our peers on recommendations for immunizations for children”.
The official said the number of recommended childhood immunizations would drop “down to 11 diseases”, compared with 18 at the end of 2024.
Only six of the 17 vaccines currently routinely recommended for all children in the US would continue to have full recommendations: measles, mumps, rubella (MMR), diphtheria, tetanus, pertussis (DTaP), polio, Hib, pneumococcal disease, HPV and varicella.
“Together, there could be a possibility they’re quite lethal,” Trump said of the MMR vaccine at the signing of the order on Monday.
He opened the event by calling the executive order a new “gold standard” for childhood vaccination recommendations, referring to “autism in particular.”
Later, he added, “Decades ago, children received only a small fraction of the vaccines required today.” He claimed, without providing evidence, that people then “were much healthier” and that “high rates of autism now observed did not exist.”
However, he did add: “We do not know exactly what the cause is with respect to autism.”
Source: The Guardian, 10 August 2026
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