Vaccines - Research and Data from KFF

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.

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.

Most Parents Nationally and in Florida Want Schools to Require Vaccines

Sep 4, 2025

Quick Take

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.

Public Trust in Vaccine Information, Misrepresented Vaccine Studies, and HIV and PrEP Stigma — The Monitor

May 8, 2025

Feature

This volume examines findings about trusted sources of vaccine information from the latest KFF Tracking Poll on Health Information and Trust. It also explores how the misrepresentation of studies and policy developments contribute to health narratives around vaccines, HIV and PrEP. Lastly, it summarizes new research on the use of generative AI to counteract vaccine misinformation.

Flawed Report Aims to Undercut Established Research on Abortion Pill Safety, Plus How a Federal Initiative to Study Autism May Overemphasize Environmental Toxins — The Monitor

Jun 12, 2025

Feature

This volume highlights how a report criticized for flawed methodology is influencing renewed efforts to restrict access to mifepristone; a federal plan to study the causes of autism that could be contributing to stigma by over-emphasizing environmental toxins; and the resurgence of false claims about fetal tissue in vaccines.

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.

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

Aug 6, 2025

Quick Take

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

The U.S. Response to Coronavirus: Summary of the Coronavirus Preparedness and Response Supplemental Appropriations Act, 2020

Mar 11, 2020

Issue Brief

The Coronavirus Preparedness and Response Supplemental Appropriations Act, 2020, which was passed with near unanimous support in both the House and Senate, was signed into law by the President on March 6, 2020. The bill provides $8.3 billion in emergency funding for federal agencies to respond to the coronavirus outbreak. This summary provides details on funding specified in the bill.

Private Health Coverage of COVID-19: Key Facts and Issues

Mar 18, 2020

Issue Brief

New federal legislation will require most private health plans to cover testing for the coronavirus with no cost sharing. Some states have adopted similar requirements for insurers they regulate, and many private insurance companies will voluntarily expand coverage for testing. However, some private coverage will not be subject to these requirements. To date, fewer changes have been adopted or considered with respect to treatment for complications from the disease. This brief reviews current coverage standards for private health plans and how these may change in response to the COVID-19 pandemic.

FAQs on Medicare Coverage and Costs Related to COVID-19 Testing and Treatment

Feb 3, 2022

Issue Brief

These FAQs provide the latest guidance on testing and treatment related to COVID-19 for Medicare beneficiaries, including questions related to out-of-pocket costs, the COVID-19 vaccine, telehealth, extended supplies of medication, skilled nursing facility stays, and issues for people in private Medicare Advantage plans.

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