Vaccines

Five years after the start of  COVID-19 pandemic and the communications challenges, divisions, and false claims that followed, less than half of the public say they have at least some confidence in the federal government’s health agencies like the Centers for Disease Control and Prevention (CDC) and the Food and…

As the Trump administration overhauls government health agencies, partisan trust in these agencies on vaccines has shifted and few express confidence in their ability to carry out key tasks. Most adults are confident in the safety of routine vaccines, but the COVID-19 vaccines remain polarizing with many uncertain about false claims regarding mRNA technology.

In this Monitor, we explore how ongoing misinformation about the safety and efficacy of COVID-19 vaccines may affect the acceptance of new vaccine recommendations. First, we examine the false and misleading claims underlying the Kansas Attorney General’s lawsuit against Pfizer. We also discuss the CDC’s most recent vaccine.

This Monitor highlights April KFF Tracking Poll findings on perceptions about measles and explores the unsubstantiated promotion of budesonide and clarithromycin as treatments. It also covers misrepresentations of syringe programs and how prompting strategies can boost the accuracy of AI chatbots on health questions.

With health officials reporting 800 measles cases in multiple states already this year, most of the public – and most parents – report hearing at least one false claim about measles or the vaccine for it, and many of them aren’t sure what to believe, the latest KFF Tracking Poll…

This poll looks at awareness and concern over the outbreak of measles in the U.S. and finds that a growing share of adults is encountering false claims about the measles vaccines, but many are uncertain whether these claims are true or false. Parents who lean toward believing the false claims are less likely to say they keep their children up to date on routine vaccinations.

Nearly half of adults say that they will “definitely” or “probably” get the newly recommended COVID-19 vaccine, though most parents are not planning to get the shot for their children, according to the latest KFF COVID-19 Vaccine Monitor poll. Among all adults, 23% say they will definitely get the new…

The latest KFF Health Misinformation Tracking Poll examines misinformation related to the measles vaccine and the public’s views of the U.S. government and social media companies’ role in moderating false claims online.

This issue brief gives an overview of the main systems used by the federal government to track vaccine safety and adverse events following vaccinations. The brief reviews the history of federal vaccine safety systems, describes the key systems and their strengths and limitations, and also discusses how vaccine safety issues have become the subject of more scrutiny under the Trump administration.

Long-term care facility (LTCF) cases and deaths were highest in the final two months of 2020 in many states, mirroring the spike in total COVID-19 case numbers and deaths this winter.