Vaccines - Research and Data from KFF

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.

Most Parents Nationally and in Florida Want Schools to Require Vaccines

Sep 4, 2025

Quick Insights

As Florida moves to end its mandates, early release findings from a new KFF-Washington Post survey show that parents overwhelmingly support current laws that require children to be vaccinated against diseases like measles and polio.

Challenges for Rebuilding Trust in the CDC

Sep 3, 2025

Quick Insights

(Secretary Kennedy) has promised to restore public trust in the CDC, but our polling data suggests real challenges given how skeptical the public - and Republicans in particular - are about the agency.

Better Prompting May Help Reduce AI Hallucinations, False Vaccine Claims Spread, and Industrial Solvent Promoted as Hidden Cancer Cure — The Monitor

Aug 28, 2025

Feature

This volume examines how prompting techniques can reduce incorrect medical information from AI chatbots; false claims linking vaccines to sudden infant death syndrome; the promotion of an industrial solvent as an allegedly suppressed cancer cure; misunderstandings about the risks of overdose from fentanyl exposure; and ongoing myths about sunscreen safety.

The Problem Isn’t Trust in Vaccines, It’s That People Don’t Know Who to Trust

Aug 19, 2025

From Drew Altman

In a new “Beyond the Data” column, KFF’s President and CEO Dr. Drew Altman analyzes years of KFF polling on vaccines in light of the current controversies about them. The real problem, he says, is not lack of public confidence in the safety of vaccines — few say they are unsafe — it’s that polarization and misinformation have eroded confidence in what’s true or not, and in scientific institutions people used to rely on for…

Halting mRNA Research Could Deepen the Public’s Distrust and Uncertainty about Vaccine Safety – with Potential Consequences

Aug 6, 2025

Quick Insights

As the debate over mRNA technology continues, public uncertainty about its safety is likely to persist and may even deepen the partisan divide... as well as hinder any efforts to develop new vaccines in response to future pandemics

KFF Tracking Poll on Health Information and Trust: COVID-19 Vaccine Update

Aug 1, 2025

Feature

As federal vaccine policy changes, this poll finds that most adults do not expect to get a COVID-19 vaccine this fall , and many parents are confused and uncertain about whether the vaccine is recommended for healthy children this year. About one in five adults nationally say the changes to vaccine policy are making people safer, while more than a third say they are making people less safe.

Poll: While Most Adults Do Not Expect to Get a COVID-19 Shot This Fall, Those Who Want One Worry About Access and Insurance Coverage

Aug 1, 2025

News Release

As federal vaccine policy changes, most (59%) adults do not expect to get a COVID-19 vaccine this fall, while four in 10 (40%) say that they will “definitely” or “probably” get the shot, a new KFF Tracking Poll on Health Information and Trust finds. The groups most likely to say they will “probably” or “definitely” get the vaccine this fall include older adults (55%) and Democrats (70%). In contrast, most Republicans say they won’t get…

Topics

Policy Research

Polling

Health News

Data & Features

For Media

About

View the Latest: Vaccines

Filter