4 Things to Know: Trump and the Nation’s Childhood Vaccine Schedule

August 11, 2026

The Trump administration yesterday announced plans for a sweeping overhaul to the federal childhood vaccine schedule that again diverges from guidance from the nation’s leading medical organizations.

The announcement is the third from the administration in the past year focused on the number and sequencing of vaccinations recommended for all children. Here’s what you need to know:

About the order

The executive order announced Monday calls for three significant updates that have been discussed by Trump administration leaders over the past several months, including:

1. Decreasing the number of universally recommended immunizations from 17 to 11.
   1. Some vaccines (respiratory syncytial virus monoclonal antibodies, hepatitis A, hepatitis B, meningococcal B, meningococcal ACWY, and dengue) would be recommended to high-risk groups.
   2. For the rest of the pediatric population, immunizations for hepatitis A, hepatitis B, rotavirus, meningococcal disease, influenza, and COVID-19 would be recommended based on “shared clinical-decision making.”
2. Separating out the combined Measles, Mumps, Rubella (MMR) vaccine into three single-disease shots and administering all vaccines during separate medical visits “to give parents more options regarding the timing and frequency of this vaccine administration.”
3. Urging states to update their laws to reflect the recent recommendations and calling on the U.S. attorney general to take action to ensure states uphold obligations related to “religious and medical exemptions from childhood and adolescent immunization requirements.”

Trump and leaders from the U.S. Department of Health and Human Services have said the changes aim to put the U.S. on par with European nations while adjusting the timing and sequencing for a narrower set of vaccines.

Critical response

Like the previous executive orders on childhood vaccines, the American Academy of Pediatrics (AAP) strongly criticized this week’s order, saying there was no “new evidence to justify significant changes to childhood immunization guidance.”

“The only purpose of this announcement is to sow confusion so that more people doubt the importance of vaccines. Delaying or skipping shots is risky, especially as measles continues to spread and children go back to school,” said Andrew D. Racine, MD, PhD, FAAP, AAP president.

Pennsylvania perspective

In a statement Monday, Dr. Debra Bogen, Pennsylvania’s health secretary, expressed concerns—specifically about splitting up combination vaccines and creating unnecessary hurdles for children to access vaccines.

"In Pennsylvania, public health decisions are guided by rigorous medical science, not shifting national agendas,” she said. “Vaccines are the best tools we have to protect our communities from preventable diseases, and they have demonstrated this over and over again for generations.”

Last fall, Governor Shapiro issued an executive order reiterating state policies should be “consistent with evidence-based recommendations endorsed by the nation’s leading medical associations, including, but not limited to, American Academy of Pediatrics, American Academy of Family Physicians, and American College of Obstetricians and Gynecologists.”

Pennsylvania also joined the Northeast Public Health Collaborative, which also plays a role in vaccine education and recommendations.

What’s next?

The order is likely to face similar challenges as did previous efforts from the administration to enact its vaccine agenda.

In March, a federal judge blocked related changes to the childhood vaccine schedule from going into effect following a lawsuit from the AAP and other medical organizations. The decision halted changes from the CDC’s Advisory Committee on Immunization Practices, adding another layer of uncertainty about implementing Monday’s executive order.

HAP will continue to monitor the latest public health developments and provide updates for members. The text of this week’s executive order is available online.