Columbus and Franklin County Influenza Surveillance

Columbus Public Health and Franklin County Board of Health collect information on influenza (flu) and influenza like illnesses from October through May each year.

We track:

• Pneumonia and Influenza deaths in the City of Columbus
• Number of students absent from the Columbus City Schools
• Influenza-like illnesses reported from specific medical offices in Franklin County
• Influenza-like illness and respiratory illness hospital emergency department and selected pediatric urgent care visits
• Selected laboratory data
• Over-the-counter medication sales from retailers
• Hospitalizations for Influenza

This information is used:

• To determine outbreaks
• To track patterns of illnesses
• To measure illness impact 

Influenza Reports

2009-2010 Flu Season - By Week

• Week 36, 2009 (September 6, 2009 - September 12, 2009)
• Week 37, 2009 (September 13, 2009 - September 19, 2009)
• Week 38, 2009 (September 20, 2009 - September 26, 2009)
• Week 39, 2009 (September 27, 2009 - October 3, 2009)
• Week 40, 2009 (October 4, 2009 - October 10, 2009)
• Week 41, 2009 (October 11, 2009 - October 17, 2009)
• Week 42, 2009 (October 18, 2009 - October 24, 2009)
• Week 43, 2009 (October 25, 2009 - October 31, 2009)
• Week 44, 2009 (November 1, 2009 - November 7, 2009)
• Week 45, 2009 (November 8, 2009 - November 14, 2009)
• Week 47, 2009 (November 22, 2009 - November 28, 2009)
• Week 48, 2009 (November 29, 2009 - December 5, 2009)
• Week 49, 2009 (December 6, 2009 - December 12, 2009)
• Week 51, 2009 (December 20, 2009 - December 26, 2009)
• Week 52, 2009 (December 27, 2009 - January 2, 2010)
• Week 1, 2010 (January 3, 2010 - January 9, 2010)
• Week 2, 2010 (January 10, 2010 - January 16, 2010)
• Week 3, 2010 (January 17, 2010 - January 23, 2010)
• Week 4, 2010 (January 24, 2010 - January 30, 2010)

Draft Columbus and Franklin County Flu Activity Level Definitions

Past Season Summaries

2008-2009 Weekly Summaries

2007-2008 Influenza Surveillance Summary

2005-2006 Influenza Surveillance Summary

2004-2005 Influenza Surveillance Summary

Special Reports

Health Disparities Brief - Focus on Influenza  - Columbus, Ohio (Winter 2009)

To request previous Influenza Weekly Reports, contact us at health@columbus.gov

All influenza activity reporting is voluntary and we thank all of our providers for their participation.

The latest weekly report of local influenza surveillance can also be found on the Communicable Disease Reporting System (CDRS) website.

For more information regarding influenza surveillance nationally go to the CDC website.