Vaccines - Research and Data from KFF

Examining Short-Term Limited-Duration Health Plans on the Eve of ACA Marketplace Open Enrollment

Oct 15, 2025

Issue Brief

As Marketplace Open Enrollment nears, policy changes could leave millions of people facing substantially higher premiums and coverage loss, which could lead more consumers to purchase less expensive and less comprehensive coverage through short-term health plans. KFF analyzes short-term health policies sold by nine large insurers in 36 states, examining premiums, cost sharing, covered benefits, and coverage limitations and comparing them to ACA Marketplace plans.

KFF/The Washington Post Survey of Parents: Polling Insights on the MAHA Movement

Oct 15, 2025

Poll Finding

These findings from the KFF/Washington Post Survey of Parents shed light on parents who support the Make America Healthy Again movement, including the issues they see as top concerns for their children's wellbeing and their attitudes when it comes to vaccines and government regulations on food.

KFF/The Washington Post Survey of Parents

Oct 10, 2025

Poll Finding

The KFF-Washington Post partnership Survey of Parents explores experiences and views pertaining to childhood vaccines. The Survey of Parents also sheds light on school vaccination requirements, views on federal health agencies and policy changes, and the views of parents with children diagnosed with autism spectrum disorder. This poll comes as the Trump administration revamps federal policies, and HHS Secretary Robert F. Kennedy Jr. continues to question the childhood vaccine schedule.

Debunked Autism Claims Resurface After Press Conference, And Supreme Court to Hear Cases on Conversion Therapy and School Vaccine Mandates — The Monitor

Oct 9, 2025

Feature

This volume analyzes false narratives about autism rates in Cuba and among Amish people in the U.S.; health-related cases before the Supreme Court, including challenges to bans on conversion therapy for LGBTQ+ minors and school vaccine mandates; and the limitations of AI chatbots as primary sources of health information.

KFF Tracking Poll on Health Information and Trust: Tylenol-Autism Link and Vaccine Policies

Oct 9, 2025

Poll Finding

Following the Trump administration’s warning last month that using acetaminophen – the active ingredient in Tylenol – during pregnancy can increase the risk of autism in children, very few adults say the claim about a causal relationship is “definitely true,” though much of the public is uncertain whether to believe it. Trust in the CDC to provide reliable vaccine information has fallen to a new low.

New KFF-Washington Post Poll Explores Parents’ Vaccine Attitudes, and Confusion Follows ACIP Meeting on Vaccine Recommendations – The Monitor

Sep 25, 2025

Feature

This volume explores findings from the KFF-Washington Post Survey of Parents on views of childhood vaccines; how ACIP may have contributed to concerns about hepatitis B and COVID-19 vaccines; recent HHS warnings about alleged links between Tylenol use in pregnancy and autism; and AI-generated deepfakes impersonating doctors to sell products.

Tracking State Actions on Vaccine Policy and Access

Sep 24, 2025

Issue Brief

With recent federal actions to curtail vaccine access, many states have announced actions intended to maintain broader access. This issue brief provides a snapshot of this rapidly changing landscape, tracking which states have instituted changes in response to or in anticipation of administration policy changes.

New KFF-Washington Post Survey Explores Parents’ Trust In, and Confusion About, Childhood Vaccines as the Trump Administration Revamps Federal Policies

Sep 15, 2025

News Release

A new KFF-Washington Post partnership survey of parents explores their experiences with and views about vaccines for their children, including a look into how they make decisions related to vaccines and where they are uncertain or confused about their safety. The poll comes as the Trump administration’s Health and Human Services Secretary Robert F. Kennedy Jr. continues to question the childhood vaccine schedule and to raise doubts about vaccine safety and effectiveness. Based on interviews…

A Look at Recent Changes to State Vaccine Requirements for School Children

Sep 12, 2025

Policy Watch

This policy watch examines state-by-state school vaccine requirements and exemptions, including recent policy changes to them and the extent to which they may affect vaccination rates.

Changing COVID-19 Booster Policies and Florida’s Decision to End Vaccine Mandates Create Confusion — The Monitor

Sep 11, 2025

Feature

This volume explores confusion around COVID-19 booster eligibility as federal recommendations shift and conflicts with guidance from physician organizations; Florida’s decision to end school vaccine mandates; and research demonstrating that artificial intelligence chatbots can provide generally sound advice, but struggle to make personalized recommendations.

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