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Flu Activity & Surveillance

Note: Prevention and Control of Seasonal Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices — United States, 2017–18 Influenza Season is available. Content throughout the rest of the influenza web site will be updated in the coming weeks. Refer to the 2017-2018 document for information specific to the 2017-2018 influenza season.

Weekly U.S. Influenza Surveillance Report (FluView)

FluView Weekly U.S. Influenza Surveillance Report A weekly influenza surveillance report prepared by the Influenza Division. All data are preliminary and may change as more reports are received.


FluView Interactive

FluView Interactive, Influenza Surveillance Data the Way You Want It 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.


Summary of Weekly FluView

Summary of Weekly FluView A brief overview of flu activity in the United States highlighting key data points from the weekly influenza surveillance report, FluView.


Current United States Flu Activity Map

Current United States Flu Activity Map The influenza activity reported by state and territorial epidemiologists indicates geographic spread of influenza viruses, but does not measure the severity of influenza activity.