Vaccines - Research and Data from KFF

KFF Tracking Poll on Health Information and Trust: Trust in the CDC and Views of Federal Childhood Vaccine Schedule Changes

Feb 6, 2026

Poll Finding

Weeks after the Trump administration reduced the number of childhood vaccine recommended for routine use, public trust in the CDC is at its lowest since the COVID-19 pandemic, and less than half are confident in federal agencies' ability to make such recommendations. Among those who have heard about the revised recommendations, more say they expect the changes to have a negative impact than a positive one on children’s health.

Map of the United States showing which states have departed from federal guidelines for childhood vaccines as of January 20, 2026. It's titled "Most States Now Depart From Federal Guidelines for Childhood Vaccines, Including All States with Democratic Governors." States with Republican governors are marked in red, and states with Democratic governors are marked in blue. Source is KFF.

State Recommendations for Routine Childhood Vaccines: Increasing Departure from Federal Guidelines

Jan 22, 2026

Policy Watch

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.

AI Health Tools Raise Safety Concerns. Plus, Flu Vaccine Myths Spread During Record Season — The Monitor

Jan 22, 2026

Feature

A new features from AI companies, like ChatGPT Health and Claude for Healthcare, aim to provide personalized health guidance, but may still provide wrong or dangerous health advice. And, as the U.S. experiences a severe flu season, a vaccine-strain mismatch may be contributing to misconceptions that flu vaccines are ineffective.

The New Federal Vaccine Schedule for Children: What Changed and What Are the Implications?

Jan 9, 2026

Policy Watch

This brief looks at newly announced changes by HHS to the pediatric vaccination schedule, which reduce the number of vaccines recommended for all children. Implications of these changes for childhood vaccination rates and trust in public health are discussed.

Trump Administration Drops Medicaid Vaccine Reporting Requirements

Jan 9, 2026

Policy Watch

This policy watch describes recent Trump administration changes to Medicaid vaccine reporting requirements and explores what the end of state reporting requirements may mean for how the U.S. tracks childhood vaccinations rates.

An image of text is an excerpt form Alex Montero's quick take which reads, "Secretary Kennedy's efforts to narrow the childhood vaccine schedule does not reflect the views of most parents, but KFF polling suggests it may have more appeal among President Trump's base."

MAGA and MAHA Parents Are More Likely Than Others To Think the CDC Was Recommending Too Many Childhood Vaccines

Jan 6, 2026

Quick Insights

Secretary Kennedy's efforts to narrow the childhood vaccine schedule does not reflect the views of most parents, but KFF polling suggests it may have more appeal among President Trump's base.

An image of text is an excerpt form Josh Michaud's quick take which reads, "Adopting Denmark’s vaccine schedule, as HHS Secretary Kennedy's vaccine advisors have suggested, would likely lower childhood vaccination rates in the U.S. as certain vaccines become harder to access."

Do We Want to Outsource U.S. Vaccine Policy to Denmark?

Dec 19, 2025

Quick Insights

Adopting Denmark’s vaccine schedule, as HHS Secretary Kennedy's vaccine advisors have suggested, would likely lower childhood vaccination rates in the U.S. as certain vaccines become harder to access.

ACIP Vote Drives Online Engagement About Hepatitis B Vaccine, And Posts Claim a VAERS “Cover-Up” of COVID-19 Vaccine Deaths — The Monitor

Dec 18, 2025

Feature

Nearly two weeks after a CDC advisory panel voted to end the recommendation for newborn hepatitis B vaccination, conversations about vaccination schedules and parental choice remain elevated. Meanwhile, narratives about an FDA memo alleging COVID-19 vaccines caused 10 pediatric deaths have shifted toward claims of a government cover-up.

Recent Changes in Federal Vaccine Recommendations: What’s the Impact on Insurance Coverage?

Dec 16, 2025

Policy Watch

This policy watch provides an overview of recent changes to federal vaccine recommendations in the U.S. and what they mean for insurance coverage.

CDC Vaccine Panel Ends Universal Hepatitis B Recommendation and Reviews Aluminum in Vaccines, Plus Public Awareness of Mifepristone Safety — The Monitor

Dec 11, 2025

Feature

This volume shares updates from the most recent CDC advisory panel meeting, changes to the CDC webpage on autism and vaccines, and polling on trust in news organizations. Additionally, it shares recent developments in AI and social media policy and new KFF poll findings about perceptions of mifepristone’s safety and prevalence.

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