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A weekly influenza surveillance report prepared by the Influenza Division. All data are preliminary and may change as more reports are received.
Influenza surveillance data the way you want it. This series of dynamic visualizations allow any Internet user to access influenza information collected by CDC’s monitoring systems.
A brief overview of flu activity in the United States highlighting key data points from the weekly influenza surveillance report, FluView.
The influenza activity reported by state and territorial epidemiologists indicates geographic spread of influenza viruses, but does not measure the severity of influenza activity.
Overview of Influenza Surveillance in the United States
Past Weekly Surveillance Reports
New! Influenza Virus Genome Sequencing and Genetic Characterization
International Influenza Surveillance