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Weekly Flu Surveillance Reports

What is flu surveillance?

To properly understand what’s happening with flu throughout the community, we track these and other indicators:

  • Hospitalizations
  • Fatalities
  • Sales of over-the-counter medications
  • School absenteeism

By doing this each year, we can identify trends and patterns that help us with prevention and treatment efforts.


When does flu season begin?

We conduct surveillance from October through April, sometimes extending into May.

Weekly reports are posted here each Friday during the flu season.


It is never too late to get your flu shot

While it best to get your flu shot early in the fall (September, October), you can get it at any time during flu season. It takes 10-14 days for the vaccine to fully protect your body, so don’t wait until flu activity picks up and the risk of getting flu is greater.

Most insurances cover the cost and the vaccine is widely available throughout our county.

To find a place near you, please visit our vaccine finder page. 


You may also contact the CCBH clinic to make an appointment


2020-21 Reports


Week 2: January 10-16
Week 1: January 3-9


Week 53: December 27 – January 2
Week 52: December 20-26
Week 51: December 13-19
Week 50: December 6-12
Week 49: November 29 – December 5
Week 48: November 22-28
Week 47: November 15-21
Week 46: November 8-14
Week 45: November 1-7
Week 44: October 25-31
Week 43: October 18-24
Week 42: October 11-17
Week 41: October 4-10
Week 40: September 27 – October 3


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