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  • Kindergarten Routine Vaccination Rates Continue to Decline

    Issue Brief

    This issue brief provides an update on the latest trends in kindergarten children's routine vaccination and exemption rates. Over three-quarters of states had measles, mumps, rubella (MMR) vaccination rates below the “target” rate of 95% for the 2025-2026 school year.

  • State and Local Policies on School Vaccine Requirements: Overview and Current Status

    Issue Brief

    States and local governments, rather than the federal government, have authority over school vaccination requirements, and while all 50 states and DC require certain vaccines for school attendance, they vary substantially in how exemptions are granted and administered. As the Trump administration has moved away from longstanding federal childhood vaccine recommendations, an increasing number of states are delinking their vaccine policies from CDC/ACIP guidance, while recent state policy changes have generally made non-medical exemptions easier…

  • Five Key Facts About People Experiencing Homelessness

    Issue Brief

    This data note reviews trends in homelessness and characteristics of people who are homeless using data from HUD’s Point-in-Time (PIT) count of sheltered and unsheltered people experiencing homelessness.

  • Recent Research on How Experiencing Racial Discrimination Impacts Health

    Issue Brief

    This brief provides an overview of the relationship between racial discrimination and health and highlights research examining mechanisms underlying health outcomes linked to experiences of racial discrimination, including biological changes, chronic stress, mental health, substance use, pregnancy-related outcomes, and sleep.

  • 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."

  • Key Facts about the Uninsured Population

    Issue Brief

    The number and share of people without insurance grew in 2024, increasing for the first time since 2019, according to KFF's analysis of data from the American Community Survey (ACS). This issue brief describes trends in health coverage in 2024, examines the characteristics of the uninsured population , and summarizes the access and financial implications of not having coverage.