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Seasonal Influenza Activity Report

The Ohio Department of Health monitors and reports statewide seasonal flu activity on a weekly basis during flu season.

ODH is making seasonal influenza summary data available for public review while also protecting patient privacy. The State of Ohio Seasonal Influenza Activity Report compiles data on influenza-like illness from a number of sources, including the U.S. Outpatient Influenza-like Illness Reporting Network (ILINet), Ohio's syndromic surveillance system, the National Respiratory and Enteric Virus Surveillance System (NREVSS), the Ohio Disease Reporting System (ODRS), and ODH laboratory reports. The visualizations below show the most recent preliminary data available by selected demographics and county of residence. This information is updated weekly on Fridays at approximately 9 a.m. 

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