*In the flu symptom medicine category. According to the 2011 Pharmacy Times Survey of Pharmacists' OTC Recommendations. Reference: Pharmacy Times; June 2011 (Suppl).
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Track The Flu

See where reports of cold and flu
symptoms are the most active

Now you can track flu symptoms on the go! With the WheresFlu™ mobile app, your mobile device can track incidence levels of flu and cold symptoms across the country. Check your current location or other areas by ZIP code and find the top five affected cities.

Use WheresFlu™ Online to track incidence levels of flu and cold symptoms around the country and keep track of the top 5 affected cities in the nation. Data is provided from SDI (a source used by the Centers for Disease Control and Prevention).

Click on any state below for information about specific cities SDI FAN® monitors.




You must have Adobe Flash Player 9 or later to view WheresFlu™ Online.

The SDI FAN® program measures weekly activity for cold and flu based upon real-time reports of symptoms. As the longest-running respiratory tracking program in the US, SDI FAN® covers illness levels in 135 regions across the country utilizing panel-member reporting along with patient-specific data. Incidence of illness is categorized as Low (0-5% population affected), Moderate (5-10% population affected), High (10-15% population affected), or Very High (>15% population affected). Advanced tracking uses illness status levels to predict change in the affected population for the US nine Census Regions.