Summary of Key Points
Driven by anti-vaccine activist Ken Cuccinelli, the Trump administration has signed an executive order requiring the separation of the MMR (measles, mumps, and rubella) vaccine into three individual vaccines, forcing children to receive separate injections for each disease. At the same time, the administration continues to pursue the previously halted policy of reducing the recommended number of vaccines to be administered to the general population from seven. This policy is based on the long-disproven conspiracy theory that the MMR vaccine causes autism. It not only increases the burden on families who must take their children for vaccinations but also goes against the current public health needs facing a severe measles outbreak in the United States, representing another blow to the country's healthcare system.
What Does the Executive Order Actually Do? Even More Extreme
The executive order includes three key components:
1. Separation of the MMR Vaccine: The MMR vaccine, which previously provided protection against all three diseases with a single injection, is now to be administered as three separate vaccines.
2. Continuation of Reduced Vaccination Recommendations: Seven vaccines, including hepatitis A, hepatitis B, and meningitis, which Cuccinelli had attempted to eliminate from the recommended list, are still not recommended for widespread use.
3. Suggestion for Single-Dose Vaccinations: There is even a push to administer all vaccines separately, with the recommendation that patients receive only one dose at each visit to the clinic.
In comparison, Cuccinelli's attempt to change the vaccination recommendations was halted by the court in January this year on the grounds that there was no evidence to support such changes and that they were unlawful. With Trump taking direct action through an executive order, the steps taken are even more extreme.
The “Reason” Behind the Separation of the MMR Vaccine: A Long-Disproven Conspiracy Theory
The decision to separate the MMR vaccine is based on a false claim that has been circulating for over 20 years. In 1998, British doctor Andrew Wakefield published a paper claiming that the MMR vaccine could cause enteritis and subsequently lead to autism. However, it was later revealed that he had fabricated data and had a conflict of interest, as he testified for the lawyers suing the MMR vaccine manufacturer while simultaneously applying for a patent for a separate measles vaccine (which would benefit him financially). The paper was retracted by The Lancet in 2010, and Wakefield's medical license was revoked.
Yet, this lie has been embraced by anti-vaccine activists, including Cuccinelli, who believe that the MMR vaccine is unsafe. Scientific research has consistently proven that the MMR vaccine is safe and effective.
The Actual Consequences of Separating the MMR Vaccine
For ordinary families, the separation of the MMR vaccine results in significant additional burdens:
- Double the Number of Vaccinations: While the MMR vaccine required only two doses (at 1 year and 4 years of age), the separate vaccines now require at least two doses for each disease, totaling six doses and six clinic visits—three times the original effort.
- Contradictory Claims: Cuccinelli previously cited Denmark as a model for good health practices, but Denmark still uses the MMR vaccine!
- Risk of Lower Vaccination Rates: With more injections required, many families may find the process too cumbersome and decide not to vaccinate their children. Previous studies have shown that the completion rates for individual vaccines are much lower than with the MMR vaccine.
The Current Situation: Adding Fuel to the Measles Epidemic
The measles outbreak in the United States is at its worst in decades:
- In 2025, 2,289 cases were reported, the highest number since 1991.
- As of August 7, 2026, 2,465 cases have been confirmed, and the number continues to rise.
The MMR vaccine is a crucial tool in preventing measles. The U.S. was nearly free from measles thanks to this vaccine. By separating it, the administration is essentially weakening its effectiveness and exposing more children to the risk of infection.
Ironically, Trump promised to make America “healthy again,” but alongside the measles outbreak, there are also issues such as food contamination-related infections like cyclosporosis and salmonella outbreaks. At a time when public health measures are needed, attacking vaccines only serves to exacerbate these problems.
Behind the Policy: Political Agendas Over Scientific Facts
The entire policy is flawed:
- There is no scientific evidence to support the separation of the MMR vaccine; numerous studies have proven its safety.
- The claim of reducing family burdens is contradicted by the increased number of vaccinations required.
- The reference to Denmark as a model ignores the fact that Denmark still uses the MMR vaccine.
In essence, this policy is not based on public health considerations but is a political move by the Trump administration to appease anti-vaccine groups. The cost of this approach is the health and safety of American children.
Cuccinelli’s previous attempts to change vaccination policies were halted by the court, and it is likely that Trump’s executive order will face legal challenges as well. Regardless of the outcome, this use of public health as a political tool poses real risks to the United States.
(The translation maintains the structure of the original Chinese text, using clear language and avoiding technical jargon to ensure it is accessible to readers without a financial or medical background.)