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This brief summarizes the "test-negative" methodology for estimating the effectiveness of influenza and COVID-19 vaccines, noting its strengths and potential limitations. This is the design is used in a CDC-led COVID-19 vaccine study that HHS decided not to publish.
This tracker provides data on global COVID-19 cases and deaths by country, region, and income-level. Additionally, the tracker reports current closure, economic, and health system policy responses to the COVID-19 pandemic globally. This tracker will be updated as new data are available.
The U.S. government is the largest donor to global health in the world. This fact sheet breaks down the U.S. global health budget by program area: HIV/PEPFAR; tuberculosis; malaria/the President's Malaria Initiative; the Global Fund to Fight AIDS, Tuberculosis, and Malaria; maternal & child health; nutrition; family planning & reproductive health; global health security; and neglected tropical diseases.
This fact sheet provides a snapshot of global malaria efforts and examines the U.S. government’s role in addressing malaria worldwide, including current programs, funding, and key issues.
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.
Starting in May of last year, HHS Secretary Kennedy and the CDC/ACIP began to make changes to the federal vaccine schedule for children, culminating in an announcement on January 5 of this year with the most wide-ranging changes to date. This policy brief tracks the number of states that have announced they are no longer following federal government recommendations for childhood vaccines as of January 20, 2026.
This brief looks at newly announced changes by HHS to the pediatric vaccination schedule, which reduce the number of vaccines recommended for all children. Implications of these changes for childhood vaccination rates and trust in public health are discussed.
This policy watch describes recent Trump administration changes to Medicaid vaccine reporting requirements and explores what the end of state reporting requirements may mean for how the U.S. tracks childhood vaccinations rates.
This dashboard monitors the status of USAID tuberculosis (TB) priority countries’ progress toward global TB targets. It includes data for more than 20 countries in which USAID’s bilateral TB program currently carries out its efforts.
This analysis examines access to, and consumers ability to find information on, a new twice annual long-acting PrEP drug during the first ACA open enrollment period since its approval. Despite the drug widely being considered a major advance, early evidence suggests that insurance coverage and benefit design decisions may create barriers to access.
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