A Weekly Influenza Surveillance Report Prepared by the Influenza Division.

Oct 13, 2023 · This interactive tool allows users to view state-specific activity levels for multiple seasons and to have a visual representation of relative activity from state to state. For more in depth state level information, users can access state influenza surveillance websites by clicking on …

3 days ago · Map of outpatient influenza-like illness activity in U.S. for 2024-25 flu season CDC The following U.S. states reported "very high" influenza-like illness activity during the week ending Jan. 25 ...

5 days ago · The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike upward in most states, according to the Centers for Disease Control and ...

Dec 9, 2024 · A map of the United States, color-coded with flu rates, on a background of viruses. Dark red indicates high levels of influenza in Louisiana.

Jul 5, 2024 · This system monitors visits for respiratory illness that includes fever plus a cough or sore throat, also referred to as ILI, not laboratory confirmed influenza and may capture patient visits due to other respiratory pathogens that cause similar symptoms. Was this page helpful?

*This map uses the proportion of outpatient visits to healthcare providers for influenza-like illness to measure the ILI activity level within a state. It does not, however, measure the extent of geographic spread of flu within a state. Therefore, outbreaks occurring in a single city could cause the state to display high activity levels.

Interactive map showing weekly influenza activity and surveillance data in the United States, updated by the CDC.

This system monitors visits for respiratory illness that includes fever plus a cough or sore throat, also referred to as ILI, not laboratory confirmed influenza and may capture patient visits due to other respiratory pathogens that cause similar symptoms.

National Flu Activity Map. A weekly influenza surveillance report prepared by the influenza division weekly influenza activity estimates reported by state and territorial epidemiologists. *