Childhood Vaccines Need Science, Not Politics

As a scientific strategist and the mother of two young children, I know how personal vaccine decisions can feel. Every parent wants to protect their family. That is exactly why those decisions must be grounded in evidence—not politics, ideology or fear. The U.S. childhood immunization schedule reflects decades of research, expert review and continuous safety monitoring. 

On August 10, President Trump signed an executive order that would replace this established process with new “Gold Standard Childhood Vaccine Recommendations.” It reduces the diseases recommended for routine immunization from 18 to 11, moves others into shared clinical decision-making, urges states to revisit school requirements and calls for more vaccines to be given at separate visits. It also proposes replacing the combined measles, mumps and rubella vaccine with three separate shots if they become available. 

These are not minor changes. They reshape who makes vaccine policy, how evidence is weighed and what families are asked to trust. Yet the administration has offered no new clinical evidence that the current schedule is unsafe or that separating vaccines improves outcomes. Political judgment is being elevated above the transparent, scientist-led review that has protected generations of children. 

And that brings us to what is truly at stake: trust. We do not rebuild confidence by casting doubt on well-established vaccines without compelling evidence. We rebuild it by listening, being transparent and clearly explaining what the science shows—and what it does not. 

Many parents are not firmly opposed to vaccination; they are simply unsure. A recent poll found that at least half of adults occupy a “malleable middle,” uncertain about common vaccine myths rather than firmly accepting or rejecting them. Among parents who delayed or skipped vaccines, openness to misinformation was substantially more common. What national leaders say matters. When they question a highly effective vaccine, promote unavailable alternatives or repeat debunked claims about autism, uncertainty can harden into hesitation—and children are left less protected. 

Comparisons with other countries also need context. Every immunization program reflects local disease risks, healthcare access, surveillance, and coverage. Simply counting diseases or doses cannot tell us which schedule offers better protection. Science demands more than a smaller number and a persuasive label. 

We already know what responsible vaccine policy looks like: define the question, examine the full body of evidence, invite independent experts to deliberate publicly and update recommendations as new data emerge. It does not begin with a predetermined number of vaccines—or ask families to make more appointments for the same protection. 

Parents’ questions deserve respect, not dismissal. They deserve honest conversations about benefits, risks and uncertainty. But shared decision-making still needs a shared foundation of facts. It cannot work when the federal government amplifies claims that decades of research have disproved. 

Litigation, coverage rules and the time required to develop separate products may slow the order’s practical effects. But the damage to trust can begin immediately: more confusion in exam rooms, more hesitation at the moment of vaccination and more room for preventable diseases to return. 

Vaccines do not stop working because politicians question them. Viruses do not wait for policy debates to end. And children should not pay the price for an experiment in governing by doubt. 

At Spectrum Science, this is personal to us, too. Science is not only in our name; it is at the heart of everything we do. Over the last 30 years, we’ve worked on countless vaccines—helping to build understanding of the science, connect participants with clinical trials to build a robust body of evidence and drive education about the importance of adoption once those trials proved clear clinical benefit. We work to make complex evidence clear, elevate trusted expertise and create space for honest conversations—especially when misinformation threatens to speak louder than facts. 

Now is not the time to retreat from science. It is the time to stand up for it—to meet questions with empathy, correct misinformation without condescension and defend the independent institutions that make vaccine policy credible. Trust cannot be ordered into existence; it must be earned. If the administration truly wants a gold standard, it should begin where vaccine policy has always been strongest: with transparent evidence, independent expertise and an unwavering commitment to protect every child. 

Maia Arnold, PhD, MBA, is a scientific strategist with deep expertise in vaccine innovation and infectious diseases. She holds a PhD in cellular and molecular medicine from Johns Hopkins School of Medicine, where she focused on neglected infectious diseases, and an MBA in Healthcare Administration from the Carey Business School. Since transitioning from the lab, Maia has worked extensively in the vaccine space, with a particular emphasis on novel technologies and a strong commitment to global public health.