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Ohio Influenza Surveillance

The Ohio Department of Health tracks seasonal influenza activity on a weekly basis throughout the year.  ODH monitors circulating flu viruses and other related data sources and provides weekly summaries of influenza activity from October (Week 40) through May (Week 20). The first week of the new calendar year is indicated by "Week 1." 

Flu Hospitalization Graph Week 41 

Weekly Flu Activity Report  

 *This is the final week that seasonal influenza activity will be posted during the 2013-2014 influenza season.  However, The Ohio Department of Health will continue to monitor Ohio’s influenza activity throughout the year.

2012 Weekly Summary Reports of Influenza Activity in Ohio 

Final weekly report from 2011-12 influenza season 

Final weekly report from 2010-11 influenza season


Last updated: 10/20/2014