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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

Weekly Flu Activity Report  

2013-2014

 

2014-2015

 

 

Week 40 

 Week 1

Wk. 8 Cty 

 

Week 40  

Week 53

 Week 13

 

 Week 41

Week 2 

 Week 9 

 

Week 41 

Week 1  

 Week 14

 

 Week 42

Week 3 

Wk. 9 Cty 

 

Week 42

Week 2 

 Week 15

 

  Week 43

Wk. 3 Cty

Week 10

 

Week 43

Week 3 

 Week 16

 

Week 44 

Week 4 

Wk. 10 Cty

 

Week 44 

Week 4

 Week 17

 

 Week 45

Wk. 4 Cty 

Week 11  

 

Week 45

Week 5 

 Week 18

 

 Week 46

Week 5 

Wk. 11 Cty 

 

Week 46

Week 6 

 Week 19

 

Week 47

Wk. 5 Cty 

Week 12 

 

Week 47

Week 7 

 Week 20*

 

Week 48 

Week 6 

WK.12 Cty

 

Week 48 

Week 8 

 

 

 Week 49

Wk. 6 Cty 

Week 13**

 

Week 49 

Week 9 

 

 

Week 50 

 Week 7

Wk. 13 Cty**

 

Week 50 

Week 10 

 

 

 Week 51

 Wk. 7 Cty

 

 

Week 51

Week 11 

 

 

 Week 52

Week 8 

 

Week 52

Week 12 

 

*This will be the last influenza surveillance weekly report of the 2014-2015 influenza season. ODH will continue performing weekly surveillance but will discontinue posting the report until the start of the 2015-2016 influenza season. 

**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.

Final weekly report from 2012-2013 influenza season

Final weekly report from 2011-12 influenza season 

Final weekly report from 2010-11 influenza season

 

National Influenza Data

National influenza surveillance data published by The Centers for Disease Control and Prevention can be found here: http://www.cdc.gov/flu/weekly.



Additional Information about Influenza 

For more information about influenza prevention and treatment, please visit www.flu.ohio.gov.
 

Page updated: 5/29/2015