Source: Centers for Disease Control and Prevention — Content from the Centers for Disease Control and Prevention (public domain).
Current Epidemic Trends (Based on R t)
CFA’s Rt page estimates COVID-19 epidemic trends for the U.S., states, and HSAs.
June 25, 2026
Risk to the U.S. Population from the 2026 Ebola Disease Outbreak Caused by Bundibugyo Virus
Assessing the risk posed by the Ebola virus disease (EVD) in the DRC to the US in 2026.
Risk to the United States from the 2026 Andes Virus Outbreak on a Cruise Ship
CFA assessed the risk posed by the Andes virus from a cruise to the public and previous travelers.
CFA uses expert judgment, historical data, and scenario modeling to assess summer COVID-19.
Featured Resources
Review emergency department visits and hospital admission ensemble forecasts due to COVID-19.
June 25, 2026
Simulate the impact of interventions on the size of community outbreaks using our interactive tool.
July 28, 2025
Behind the Model: Learn Our Methods
Explore the data and models that support the development of public health products.
Training series that teaches how modeling can help public health decision-making
Practical Modeling Concepts Training
Learn about how to apply modeling and analytics to public health practice.
Access a collection of learning resources on infectious disease modeling and forecasting.
Learn how you can connect with CFA and help shape the future of public health.
About CFA
Explore how CFA harnesses cutting-edge analytics to prepare and respond to disease threats.
Jan 30, 2026
Learn how the Insight Net network builds modeling and analytic capacity across the country.
Feb 17, 2026
CFA uses advanced analytics to deliver insights that help health officials safeguard communities.
June 23, 2025