President Donald Trump’s plan to change childhood vaccination policy could create major manufacturing, financial and logistical challenges, according to health experts and former regulators.
The executive order calls for separating combination vaccines, including the measles, mumps and rubella (MMR) shot, and spacing vaccinations further apart. Individual versions of those vaccines have not been routinely marketed in the U.S. for decades.
Parents could also face significantly more medical appointments. Splitting the two-dose MMR schedule into three separate vaccines could require six visits instead of two, raising costs and potentially increasing missed vaccinations.
According to the report, Merck said there is currently no published evidence showing benefits from separating MMR shots. Drugmakers also have little financial incentive to develop competing individual versions of existing combination products.
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Trump’s child vaccine plan would require millions of individual shots last used decades ago https://t.co/kP7l7gdDQt
— CTV News (@CTVNews) August 13, 2026
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TIPP Staff
