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Seasonal influenza resources

Weekly Flu update 2013 - 2014

Weekly Flu Update Legend:
h1n1 swine flu  No Report
h1n1 swine flu  No Activity
h1n1 swine flu  Sporadic
h1n1 swine flu  Local
h1n1 swine flu  Regional
h1n1 swine flu  Widespread

Visit CDC Site for additional details on 2014 influenza cases

Seasonal influenza

Every year, seasonal influenza affects 5 percent to 20 percent of all U.S. residents, and is responsible for a broad range of deaths from year to year. Between the 1976-77 and the 2006-07 season, flu deaths were as low as 3,000 a year to as high as 49,000 and more than 200,000 hospitalizations from influenza-related illness and complications. This tells us that influenza can be highly unpredictable and variable in severity. Healthcare facilities and providers prepare each year for seasonal influenza with infection prevention activities including vaccine administration to patients, healthcare workers (HCW) and the community. With currently adequate influenza vaccine availability but less than optimal vaccination rates among all age groups in the United States, there needs to be increased focus on strategies to improve vaccination.

Efforts to improve seasonal influenza vaccination rates among health care workers and individuals in the community at increased risk should serve as the foundation for planning for a coordinated response in the event of pandemic influenza.

For information on pandemic influenza, please see "Pandemic Influenza resources."

Google Flu Trends

Google Flu Trends uses aggregated Google search data to estimate flu activity. Learn more.


Resources for the 2013 - 2014 influenza season

General influenza information

CDC- Seasonal influenza infection control guidance for Health Care Facilities