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This volume covers recent claims about COVID vaccine safety after a new study describes a rare condition it calls “post-vaccination syndrome” (PVS). It also investigates the false claim that ivermectin can treat cancer and highlights the re-emergence of concerns online about Gardasil, and its alleged mortality rate.
A comprehensive timeline of public health policy actions by the Department of Health and Human Services (HHS) under the Trump administration from 2025-2026, with key dates, descriptions, and impacts.
This analysis shows that as COVID-19 vaccination rates have increased over time, Republicans make up an increasingly disproportionate share of those who remain unvaccinated and that political partisanship is a stronger predictor of whether someone is vaccinated than demographic factors such as age, race, level of education, or insurance status.
A new KFF COVID-19 Vaccine Monitor analysis finds that Republicans and Republican leaning independents, who represent 41% of adults, now make up 60% of the adult unvaccinated population across the country and that political partisanship is a stronger predictor of whether someone is vaccinated than any demographic factor measured.
This brief provides an overview of key issues to consider for reaching noncitizen immigrants as part of COVID-19 vaccination efforts.
This KFF COVID-19 Vaccine Monitor report shows nearly half of the public now wants to get a vaccine as soon as possible, reflecting a rise in enthusiasm across racial and ethnic groups since December. It also examines information needs, worries about the vaccine, effective messages and views of vaccine distribution.
This report examines COVID-19 misinformation and finds that nearly eight in ten adults either believe or are unsure about at least one false statement about COVID-19 or the vaccines. It also examines the news and social media sources the public trusts for information on the virus, and the relationship between news sources and belief in misinformation.
This analysis assesses U.S. COVID-19 vaccine dose donations in order to gauge progress towards meeting stated global vaccination goals.
As the vaccine rollout continues across the country, a key question is whether and how far governments and employers can go to require the public and workers to get vaccinated. Our new issue brief explains the legal basis for vaccine mandates and what limitations might apply.
Gender and age differences are revealed in a new analysis that finds nearly seven in ten (69%) young women ages 18 to 29 say the COVID-19 pandemic has negatively impacted their mental health, compared to smaller shares of women who are older and men across all age groups.
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