COVID-19 - Research and Data from KFF https://www.kff.org/topic/covid-19/ The independent source for health policy research, polling, and news Tue, 16 Jun 2026 20:11:21 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.5 https://www.kff.org/wp-content/uploads/sites/7/2023/04/3976_KFF_favicon_256x256_revised.png?w=32 COVID-19 - Research and Data from KFF https://www.kff.org/topic/covid-19/ 32 32 243654493 Global COVID-19 Tracker https://www.kff.org/covid-19/global-covid-19-tracker/ Tue, 16 Jun 2026 20:11:20 +0000 538347 FEATURE IMAGE - COVID 19 Tracker Estimating Effectiveness of Influenza and COVID-19 Vaccines: The “Test-Negative” Design https://www.kff.org/covid-19/estimating-effectiveness-of-influenza-and-covid-19-vaccines-the-test-negative-design/ https://www.kff.org/covid-19/estimating-effectiveness-of-influenza-and-covid-19-vaccines-the-test-negative-design/#respond Thu, 30 Apr 2026 14:22:16 +0000 https://www.kff.org/?p=707304 https://www.kff.org/covid-19/estimating-effectiveness-of-influenza-and-covid-19-vaccines-the-test-negative-design/feed/ 0 707304 Feature Image - Estimating Effectiveness of Influenza and COVID-19 Vaccines KFF Tracking Poll on Health Information and Trust: Trust in the CDC and Views of Federal Childhood Vaccine Schedule Changes https://www.kff.org/health-information-trust/trust-in-cdc-and-views-of-federal-childhood-vaccine-schedule-changes/ https://www.kff.org/health-information-trust/trust-in-cdc-and-views-of-federal-childhood-vaccine-schedule-changes/#respond Fri, 06 Feb 2026 10:00:00 +0000 https://www.kff.org/health-information-trust/trust-in-cdc-and-views-of-federal-childhood-vaccine-schedule-changes/feed/ 0 702600 260205_Less-Than-Half-of-US-Adults-Are-Confident-in-Federal-Health-Agencies-To-Make Recommendations-for-Childhood-Vaccines_FI-2 Poll: Trust and Confidence in the CDC Remain at Low Point After Changes to Recommended Childhood Vaccines; More Say the Changes Will Hurt than Help Children’s Health https://www.kff.org/health-information-trust/poll-trust-and-confidence-in-the-cdc-remain-at-low-point-after-changes-to-recommended-childhood-vaccines-more-say-the-changes-will-hurt-than-help-childrens-health/ https://www.kff.org/health-information-trust/poll-trust-and-confidence-in-the-cdc-remain-at-low-point-after-changes-to-recommended-childhood-vaccines-more-say-the-changes-will-hurt-than-help-childrens-health/#respond Fri, 06 Feb 2026 10:00:00 +0000 https://www.kff.org/health-information-trust/poll-trust-and-confidence-in-the-cdc-remain-at-low-point-after-changes-to-recommended-childhood-vaccines-more-say-the-changes-will-hurt-than-help-childrens-health/feed/ 0 702749 Alert Chart 2-adults-who-have-heard-of-recent-changes-to-the-childhood-vaccination-schedule-twice-as-likely-to-say-it-will-have-a-negative-impact-on-kids-than-a-positive-one- Community Health Center Patients, Financing, and Services https://www.kff.org/medicaid/community-health-center-patients-financing-and-services/ Wed, 04 Feb 2026 18:59:31 +0000 649210 Health Coverage Among Health Center Patients, 2019-2024 (1) How Has U.S. Spending on Health Care Changed Over Time? https://www.kff.org/health-costs/how-has-health-spending-changed-over-time/ Thu, 22 Jan 2026 20:54:08 +0000 548460 6opGv-health-spending-as-a-share-of-gdp-increased-in-2024- (1) FDA Memo Linking COVID Vaccines to Child Deaths May Boost Uncertainty Among Parents https://www.kff.org/quick-insights/fda-memo-linking-covid-vaccines-to-child-deaths-may-boost-uncertainty-among-parents/ Thu, 04 Dec 2025 21:29:11 +0000 699122 251204_Quick-Takes_Joel-Luther_Website States Are Forming “Health Alliances.” Can They Make a Difference for Public Health Policy? https://www.kff.org/other-health/states-are-forming-health-alliances-can-they-make-a-difference-for-public-health-policy/ Thu, 16 Oct 2025 20:27:42 +0000 694449 Feature image - state public health alliances KFF/The Washington Post Survey of Parents https://www.kff.org/public-opinion/kff-the-washington-post-survey-of-parents/ Fri, 10 Oct 2025 10:00:06 +0000 687624 250902_1-in-6-Parents-Report-Skipping-or-Delaying-Childhood-Vaccines_FI New KFF-Washington Post Survey Explores Parents’ Trust In, and Confusion About, Childhood Vaccines as the Trump Administration Revamps Federal Policies https://www.kff.org/public-opinion/new-kff-washington-post-survey-explores-parents-trust-in-and-confusion-about-childhood-vaccines-as-the-trump-administration-revamps-federal-policies/ https://www.kff.org/public-opinion/new-kff-washington-post-survey-explores-parents-trust-in-and-confusion-about-childhood-vaccines-as-the-trump-administration-revamps-federal-policies/#respond Mon, 15 Sep 2025 10:54:09 +0000 https://www.kff.org/public-opinion/new-kff-washington-post-survey-explores-parents-trust-in-and-confusion-about-childhood-vaccines-as-the-trump-administration-revamps-federal-policies/feed/ 0 687778 FI_News-Alert_Brand-blue Most Parents Nationally and in Florida Want Schools to Require Vaccines https://www.kff.org/quick-insights/most-parents-nationally-and-in-florida-want-schools-to-require-vaccines/ Thu, 04 Sep 2025 11:52:46 +0000 https://www.kff.org/?post_type=quick-take&p=688012 688012 250904_QuickTakes_Audrey-Kearney_Website Challenges for Rebuilding Trust in the CDC https://www.kff.org/quick-insights/challenges-for-rebuilding-trust-in-the-cdc/ Wed, 03 Sep 2025 18:14:00 +0000 https://www.kff.org/?post_type=quick-take&p=687950 687950 250903_Quick-Takes_Liz-Hamel_Website The Problem Isn’t Trust in Vaccines, It’s That People Don’t Know Who to Trust https://www.kff.org/from-drew-altman/the-problem-isnt-trust-in-vaccines-its-that-people-dont-know-who-to-trust/ Tue, 19 Aug 2025 12:30:00 +0000 https://www.kff.org/?post_type=from-drew-altman&p=686060 686060 BTD-Aug-18-Vaccines_website-1 Halting mRNA Research Could Deepen the Public’s Distrust and Uncertainty about Vaccine Safety – with Potential Consequences https://www.kff.org/quick-insights/halting-mrna-research-could-deepen-the-publics-distrust-and-uncertainty-about-vaccine-safety-with-potential-consequences/ Wed, 06 Aug 2025 04:00:00 +0000 670866 250806_QT_Ashley Kirzinger_1920x1080 1 Kindergarten Routine Vaccination Rates Continue to Decline https://www.kff.org/medicaid/kindergarten-routine-vaccination-rates-continue-to-decline/ Tue, 05 Aug 2025 19:31:20 +0000 https://www.kff.org/?post_type=issue-brief&p=670650 670650 Child Vaccines 2025 KFF Tracking Poll on Health Information and Trust: COVID-19 Vaccine Update https://www.kff.org/health-information-trust/kff-tracking-poll-on-health-information-and-trust-covid-19-vaccine-update/ Fri, 01 Aug 2025 09:00:56 +0000 670260 250731_July_HealthInfo&TrustTracking_Getting-COVID-19-Vaccine-This-Fall_FI Poll: While Most Adults Do Not Expect to Get a COVID-19 Shot This Fall, Those Who Want One Worry About Access and Insurance Coverage https://www.kff.org/health-information-trust/poll-while-most-adults-do-not-expect-to-get-a-covid-19-shot-this-fall-those-who-want-one-worry-about-access-and-insurance-coverage/ Fri, 01 Aug 2025 09:00:00 +0000 https://www.kff.org/?post_type=press-release&p=670397 670397 FI_News-Alert_Black The Public and Health (Mis)information: What Polling Tells Us about Where We’ve Been and Where We Might Be Going https://www.kff.org/public-opinion/the-public-and-health-misinformation-what-polling-tells-us-about-where-weve-been-and-where-we-might-be-going/ Fri, 20 Jun 2025 18:21:35 +0000 668475 U.S. Global Health Legislation Tracker https://www.kff.org/global-health-policy/u-s-global-health-legislation-tracker/ Tue, 03 Jun 2025 16:27:04 +0000 413203 240712_US-Global-Health-Legislation-Tracker_FI_V1 How Could FDA’s New Guidance Affect COVID-19 Vaccination Coverage in the U.S.? https://www.kff.org/quick-insights/how-could-fdas-new-guidance-affect-covid-19-vaccination-coverage-in-the-u-s/ Wed, 21 May 2025 04:00:00 +0000 https://www.kff.org/?post_type=quick-take&p=663902 663902 250521_Quick-Takes_Josh-Michaud_Website