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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: Update on Common Vaccine Myths

    Poll Finding

    This poll looks at exposure to and belief in several vaccine myths and finds that people without a trusted health care provider, and those who regularly use social media or AI for health information, are generally more likely than others to belief the false claims. It also analyzes belief across vaccine myths, showing the share of the public that are consistent myth believers, consistent myth deniers, and those who land in the "mixed middle."

  • KFF Tracking Poll on Health Information and Trust: Use of Social Media and AI For Health Information and Advice

    Poll Finding

    This poll finds that about 3 in 10 adults turn to social media for health information and advice at least monthly. Community connection and the need for immediate answers are the top reasons why people are turning to these tools. Slim majorities of those who use social media for health are confident they can tell what is true, and relatively few take steps to check the information they receive.

  • A Look at New or Expanded Medicaid and Public Health Partnerships from 2025: Findings from A Survey of State Medicaid Programs

    Issue Brief

    State Medicaid and public health agencies both work to advance the health of their communities, often pursuing similar priorities and serving similar populations. This brief examines findings from KFF's 25th annual Medicaid budget survey, which asked state Medicaid directors about new or enhanced initiatives involving public health in FY 2025 or planned for FY 2026.

  • The Hantavirus Outbreak Is a Test Case for the U.S. Public Health Response

    Quick Insights

    The outbreak is also a kind of test case for how well the U.S. is positioned to respond to global disease threats under the Trump administration. Since early last year, the administration has pulled back U.S. engagement on global health, which has included completing a withdrawal from membership in the World Health Organization (WHO)...

  • Health Coverage by Race and Ethnicity, 2010-2024

    Issue Brief

    In 2024, the overall uninsured rate increased for the first time since 2019 as pandemic-era continuous enrollment in Medicaid came to an end, with significant increases among Hispanic, Black, and White people under age 65. These coverage losses were largely driven by the expiration of policies to stabilize and expand access to affordable coverage that were implemented during the COVID-19 pandemic.