Starting in May of last year, HHS Secretary Kennedy and the CDC/ACIP began to make changes to the federal vaccine schedule for children, culminating in an announcement on January 5 of this year with the most wide-ranging changes to date. This policy brief tracks the number of states that have announced they are no longer following federal government recommendations for childhood vaccines as of January 20, 2026.
State Recommendations for Routine Childhood Vaccines: Increasing Departure from Federal Guidelines
