President Donald Trump’s health agenda is colliding head-on with the anti-vaccine crusade of his own Health and Human Services Secretary, Robert F. Kennedy Jr., whose policies and rhetoric are sparking new fears of preventable disease outbreaks across the country.
Kennedy, a longtime vaccine skeptic elevated to one of the most powerful public health positions in government, has already overseen rollbacks of federal vaccine guidance, restrictions on access to Covid-19 boosters, and the appointment of vaccine skeptics to key advisory positions. The consequences are mounting: insurance companies are refusing to cover boosters, pregnant women have lost federal guidance recommending vaccination, and outbreaks of measles and other preventable diseases have already killed children this year.
Critics say Kennedy’s agenda—marketed under the “Make America Healthy Again” banner—has become a national danger. “The sowing of doubt when doubt is unwarranted is a public danger,” warned Brookings Institution scholar Bill Galston, pointing to a West Texas measles outbreak that hospitalized 100 children and killed two after Kennedy touted cod liver oil and Vitamin A instead of vaccines. Some children were later treated for overdoses of those unproven “remedies.”
Even among Republicans, support for established childhood vaccines like MMR remains strong. Trump himself has tried to distance from Kennedy’s more extreme positions, calling certain vaccines “amazing” and insisting people should take “non-controversial” shots. He has also moved to redirect Kennedy’s focus, signing an executive order this week targeting pharmaceutical advertising rather than immunizations.
Still, Kennedy’s influence continues to spread. He has fired scientists who clashed with his views, canceled research grants, and replaced the CDC’s vaccine advisory panel with allies who share his skepticism. His critics say confusion is the point: by undermining trust in vaccines, Kennedy creates a vacuum in which fear and misinformation thrive.
The political risks are just as severe as the public health ones. Kennedy has been whispered about as a potential 2028 presidential candidate, with figures like Laura Loomer warning Trump that his health secretary could eventually challenge him or his allies. Members of the Kennedy family, along with a thousand current and former HHS employees, have already called for his removal.
For now, Trump has stood by Kennedy, who endorsed him after abandoning his own presidential bid in 2024. But the president is known for cutting loose allies when they become political liabilities. Observers wonder if Kennedy’s time in the cabinet may be running short.
What remains clear is that America is now in uncharted territory: a nation where preventable diseases are resurging, parents are increasingly confused, and the nation’s top health official is fanning the flames. As Galston warned, “Any life lost to a preventable disease is a tragedy.”