Public Health


Health Policy 101 is a comprehensive guide covering fundamental aspects of U.S. health policy and programs, including Medicare, Medicaid, the Affordable Care Act, employer-sponsored insurance, the uninsured population, health care costs and affordability, women's health issues, and health care politics. The Public Health chapter examines how public health is governed and delivered in the United States. It includes explanations of key public health frameworks, services, capabilities and characteristics, how the public health system works in state, local and territorial governments, and public health funding, workforce, and communication challenges in an era of declining trust.

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

    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.

  • From Margins to Mainstream: How Amplification May Be Giving Misinformation New Reach

    Policy Watch

    Efforts to correct misinformation can unintentionally amplify it by increasing engagement, repetition, and visibility. During times of low trust, even debunked claims can erode confidence in health institutions. Communicators can limit amplification by focusing on verified facts, using prebunking and strategic debunking, and strengthening trust with credible messengers.

  • Measles Elimination Status: What It Is and How the U.S. Could Lose It

    Policy Watch

    This policy watch post examines the United States’ measles elimination status, including what it means to eliminate measles, whether the current measles outbreak could threaten the country’s measles elimination status, and what losing that status might mean for measles control.

  • How Does the Federal Government Monitor Vaccine Safety?

    Issue Brief

    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.

  • The HIV/AIDS Epidemic in the United States: The Basics

    Fact Sheet

    This updated fact sheet provides the latest data on the U.S. HIV epidemic, including key trends over time, impact by region and population, and information on the U.S. government's response.

  • KFF Health Misinformation Tracking Poll: Artificial Intelligence and Health Information

    Poll Finding

    KFF's Health Misinformation Tracking Poll finds that while most adults say they have interacted with artificial intelligence (AI), most are not confident that these chatbots provide accurate health information. Most of the public, and half of AI users, are not confident they can tell whether information from AI chatbots is true or false