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Washtenaw County Flu Activity

July 2, 2015:

This year's influenza season is finally over.  Confirmed cases of flu were reported locally from October 2014 through June 2015. Overall, it was a moderately severe season.  Local flu levels peaked in the last week of December 2014, largely caused by Influenza A/H3.  Starting in March 2015, most reports were Influenza B.  A record number of flu-related hospitalizations were reported this season, with persons 65 years and older particularly vulnerable to severe disease and hospitalization.   All flu-associated deaths in Washtenaw County were caused by Influenza A and occurred in adults.
Flu curves and hospitalization data from current and previous seasons are available below.

Influenza-Associated Hospitalizations and Deaths
in Washtenaw Residents: 2014-15*


Total adult deaths Total child deaths




*Flu Season starting Sept 28, 2014

Influenza Activity for Current Season

Local flu activity for 2014-15 season (pdf)

Washtenaw flu-related hospitalizations for 2014-15 season (pdf)

Influenza Activity for Past Seasons

Washtenaw Flu Hospitalization Summary 2013-14 (pdf)

Local flu activity for 2013-14 season (pdf)

Hospitalizations for 2013-14 season (pdf)

Washtenaw Flu Vaccine Coverage 2013-14 (pdf)

Analysis of Washtenaw Flu Hospitalizations 2012-2013 (pdf)

Hospitalizations for 2012-13 season (pdf)

Local flu activity in 2012-13 season (pdf)

Summary of flu-associated hospitalizations and deaths in 2011-12 season (pdf)

Local flu activity in 2011-12 season (pdf)

Summary of flu-associated hospitalizations and deaths in 2010-11 season (pdf)

Local flu activity in 2010-11 season (pdf)

Local flu activity in 2009-10 season (pdf)

Local flu activity in 2008-09 season (pdf)

Local flu activity in 2007-08 season (pdf)

Local flu activity in 2006-07 season (pdf)

Local flu activity in 2005-06 season (pdf)

Local flu activity in 2004-05 season (pdf)

Local flu activity in 2003-04 season (pdf)


Washtenaw County Public Health Influenza Information web page


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