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Friday, December 29 - Thursday, January 4

This weekly update provides a look at flu activity in Delaware County. While seasonal flu viruses can be detected year-round in the United States, flu viruses are most common during the fall and winter. The exact timing and duration of flu seasons can vary, but flu activity typically peaks between December and February, although activity can last as late as May. 
 

County Surveillance

Currently, in Ohio, influenza is considered widespread. In the United States, influenza activity has increased significantly over the past recent weeks, as is being seen in Ohio. So far this season, influenza A (H3N2) virus has been predominating. In the past, influenza A (H3N2) predominant flu seasons have been associated with more hospitalizations and deaths in older adults (65 years and older) and children compared to other ages. Influenza vaccine effectiveness has also been generally lower against influenza A (H3N2) than some others. With lower vaccine effectiveness, in addition to vaccination for prevention, use of antiviral medications for treatment will become even more important than usual. For more information, please see the Increase in Seasonal Influenza Activity Health Alert

Number of Hospital and Urgent Care Visits (Delaware County Residents) for Flu-Related Illnesses
2017-18 Flu-Associated Hospitalizations (Oct. 1, 2017 - Jan. 4, 2018) : 30
Previous 5-year average Flu-Associated Hospitalizations (Oct. 1 - Jan. 4) : 14
 
DGHD Jurisdiction Flu-Associated Hospitalizations since Oct. 1, 2017:
Number of cases: 30
Age Range: 40-93 years
Age Mean: 74 years
Age Median: 76.5 years
Percent Vaccinated: 75%
Type of Influenza: 94% Influenza A, 3% Influenza B, 3% unknown
Deaths: 1
Delaware General Health District 
Personal Health Division
Disease Prevention Team 

740-203-2040

Our mailing address is:
P.O. Box 570 
Delaware, OH 43015

Copyright © 2017, Delaware General Health District All rights reserved.






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Delaware General Health District · 1 W. Winter St. · Delaware, OH 43015 · USA

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