Overview
- On Sunday, Aug. 23, Dr. Mehmet Oz told CBS’s Face the Nation that the MMR vaccine is not lethal when pressed to clarify President Trump’s recent public suggestion that separate doses could be “quite lethal.”
- The White House has issued an executive order to separate the three-in-one MMR shot into individual vaccines, and the president publicly promoted that policy while suggesting separated doses might carry lethal risks.
- Public-health authorities and fact-checkers reject the president’s characterization, with the CDC calling the combined MMR vaccine very safe and reporting that 92% of U.S. kindergartners received measles protection last school year, below the roughly 95% target for herd immunity.
- Merck, which makes the MMR, says it could not supply the vaccine as three separate shots for about 10 years, and critics warn splitting the shot would raise costs, require more injections, and could lower coverage for low-income children.
- The next developments to watch are whether the administration advances regulatory or procurement steps, how Merck and other manufacturers respond to the timeline, and whether changes in messaging or policy affect vaccination rates and outbreak risk.