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If you’ve been confused about your child’s vaccine schedule lately, you’re not alone — and according to one of the country’s leading pediatric specialists, there’s a good reason for the uncertainty. But there’s also a clear answer, if you know where to look.
Dr. Scott Hadland, Chief of Adolescent Medicine at Mass General Brigham, said the flood of conflicting information about vaccines has reached a level he hasn’t seen before. Changes at the CDC, court rulings that reversed those changes, and an overwhelming volume of misinformation online have left many parents unsure who to trust. His message: trust your pediatrician.
What Has Actually Changed — And What Hasn’t
For most families, the practical answer is straightforward. “For all intents and purposes, the vaccine schedule has not changed,” Dr. Hadland said.
While the CDC did make some modifications to its vaccine guidance in recent months — later reversed by court rulings — the American Academy of Pediatrics (AAP) schedule remained consistent throughout. According to Dr. Hadland, most pediatricians follow the AAP guidance, which has stayed steady even as the CDC navigated its own turbulence. That means the schedule parents and doctors have relied on for years is still the one being recommended on the front lines.
Measles Is Back — And That Should Matter to Every Parent
Among all the vaccines on the schedule, Dr. Hadland said he is most concerned right now about measles. The country is currently in the middle of multiple outbreaks larger than anything seen in recent memory, and measles is not a mild illness for every child who contracts it. Serious complications are possible, and there have been measles-associated deaths in the United States in the past year.
“These infections, though they can be benign sometimes, can also be very serious,” he said. “By far and away the best way to protect a young person is to vaccinate them so they don’t get the illness in the first place.”
He points to a patient from his own practice whose family had wanted the meningococcal vaccine — one that was challenged in the CDC’s updated guidance — but simply hadn’t yet had the chance to get it. The boy contracted meningitis at summer camp, survived after ICU care, but lost his hearing and sustained permanent brain damage.
The Science Behind the Schedule
Dr. Hadland pushed back on the idea that the vaccine schedule is a fixed, unchanging set of recommendations handed down without scrutiny. In fact, he said, it is rigorously re-examined every year based on the latest data. As one example, research conducted roughly a decade ago showed that giving the HPV vaccine earlier in adolescence actually reduced the total number of doses a teenager needed — a change made not to add vaccines, but to reduce them.
“This shows the ways in which we are even honing down the vaccine schedule to try to provide fewer vaccines when we know it to be effective,” he said.
Where Parents Should Turn
National surveys show that eight to nine out of every 10 Americans trust their primary care provider more than any other source for vaccine information. Dr. Hadland said that trust is well-placed — and he urged parents who have doubts or questions to bring them directly to their pediatrician rather than turning to social media, where the information can’t be verified, and there’s no opportunity for a real conversation.
“We are exactly the people they should be having these conversations with,” he said. “It’s why we went into this.”