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Seasonal Flu Update


During Week 18 (April 30- May 6 , 2017), 1.52% of Jefferson County, Alabama patient visits reported through ILINet were due to influenza-like illness (ILI) compared to 1.78% last year  (April 31- May 7, 2016). ILI is defined as: Temperature ≥100 °F  [37.8 °C] and a cough and/or a sore throat in the absence of a known cause other than influenza.%  of Patient Visits for ILI   =   Number of patient visits with ILI  / Number of patient visits

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