Kindergarten Vaccination Rates Barely Moved. Measles Didn't.

Federal data released Monday shows kindergarten vaccination rates fell again across the country during the 2025-26 school year, and the response from one former government adviser was essentially: relax. Robert Malone, who served as vice chair of the CDC's vaccine advisory committee until he resigned in March, told Fox News Digital there was nothing in the figures to panic about. His phrase was "keep calm and carry on."

The number Malone leans on is real. Coverage slipped by roughly a tenth of a percentage point year over year, a rounding error in most contexts. But that's not the figure pediatricians are staring at. The share of kindergartners with an exemption from at least one required vaccine jumped from 3.6% to 4.2% — about 155,000 children, and the fourth year running that the national exemption rate has set a record.

Context makes the difference. As of August 13, the CDC had confirmed 2,566 measles cases across 47 jurisdictions, already past the 2,289 logged in all of 2025 and the worst American year since 1991. Roughly 93% of this year's patients were unvaccinated or had no immunization record at all. When a disease that infectious is already moving, a fraction of a point stops being a rounding error.

What the CDC Data Actually Shows

Coverage for every reported vaccine dropped. MMR and polio both sit at 92.4%. DTaP, which covers diphtheria, tetanus and whooping cough, came in at 92.0%. Hepatitis B held roughly steady. Before the pandemic, kindergarten coverage ran near 95% nationally. Medical exemptions barely moved — they remain around 0.2% — meaning almost the entire increase comes from parents opting out for nonmedical reasons.

Why Kindergarten Vaccination Rates Matter at 95%

Measles doesn't respond to falling protection in a straight line. It responds to a threshold. Around 95% coverage, an imported case tends to fizzle out because it can't find enough susceptible people to keep the chain going. Below that, the same case can seed an outbreak. That's why a three-point gap gets treated as serious: it's the difference between a contained infection and a county health department working weekends.

The CDC's own accounting puts more than 250,000 kindergartners nationwide without protection against measles. And 94% of this year's cases trace back to one of 38 identified outbreaks rather than scattered individual infections — which is exactly what you'd expect when susceptible children are grouped together in the same classrooms.

Where the Gaps Are Clustering

National averages hide the real story. Exemptions rose in 41 states plus Washington, D.C., and 24 states now report rates above 5%. But the spread between the top and bottom is enormous, and that spread is what determines whether your local school is anywhere near the safety threshold.

Idaho, Utah and the Mountain West

Idaho leads the country at 17.5% — roughly one kindergartner in six carrying an exemption from at least one required shot. Utah, Oregon, Arizona and Nevada follow. In districts at that level, herd immunity isn't slightly weakened; it's gone. Arizona and Utah have both featured in this year's outbreak clusters, alongside South Carolina.

Connecticut and the States Holding the Line

At the other end, Connecticut reports an exemption rate below 0.5%. States that tightened nonmedical exemption laws over the past decade generally cluster near the bottom. It's the clearest evidence in the dataset that policy, not just sentiment, moves these numbers.

Who Is Robert Malone, and Why His Take Carries Weight

Malone was appointed to the Advisory Committee on Immunization Practices in June 2025, after Health Secretary Robert F. Kennedy Jr. dismissed all 17 sitting members and rebuilt the panel. He resigned as vice chair in late March 2026, following a federal judge's ruling that blocked HHS vaccine policy changes and questioned the advisers' qualifications. He cited hostile press, internal bickering and unpaid hours.

He isn't wrong that the year-over-year coverage change is small, and he acknowledged that federal communication failures during COVID damaged public trust. Others locate the problem more recently. Dr. James Campbell of the American Academy of Pediatrics and the University of Maryland told CBS News the cause is confusion, not conviction:

The root cause of this is primarily because there's so much chaos and confusion in vaccination recommendation systems in the last year or so.

What Parents Should Check Before School Starts

National figures won't tell you much about your own child's classroom. A few things will:

• Confirm your child has both MMR doses — one at 12 to 15 months, the second at 4 to 6 years. A single dose leaves a meaningful gap.
• Ask your school or district for its own coverage rate. Many states publish school-level data, and a building can sit far below its state average.
• If cost is the obstacle, the federally funded Vaccines for Children program covers routine shots at no charge for eligible kids, including those uninsured or on Medicaid.
• If you're behind, catch-up schedules exist. Ask your pediatrician rather than assuming the window has closed.

Watch the case count over the next two months. Measles typically surges after classrooms refill, and this year's total is climbing from an already historic base. If you're in one of the 24 states above 5% exemptions, the sensible move isn't panic — it's pulling out your child's immunization record this week and making sure nothing's missing.