Weekly Influenza Activity: Statistics

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updated 8/12/10

July 4th - August 7th (weeks 27-31 of 2010)

The 2009-10 influenza season officially began October 4, 2009. Data reported here start before the official season began and therefore have not been reported in past years.

All data are preliminary and may change as more reports are received.

During weeks 27-31, no influenza activity was reported in Minnesota.

• No outbreaks of influenza or influenza-like illness were reported.
• No new influenza-related deaths were reported.
• No new influenza-related hospitalizations were reported.
• Influenza-like illness visits to outpatient clinics involved in our Sentinel Provider Network remained low.
• Nationally, a slight increase in influenza A /H3N2 infections has been detected this summer. It is normal to see some influenza during the summer months. Although activity remains low, it is important for providers to consider influenza as a diagnosis when patients present with acute respiratory illness. Minnesota has not yet detected any domestically acquired influenza A/H3N2 cases.

Following week 20, influenza activity is being updated on a monthly basis during the summer, unless activity increases.

• 2009 H1N1 Influenza in Minnesota Epidemiology
  Summary of H1N1 influenza from April 2009 - April 2010.

Influenza Activity Level Definitions Definitions of the weekly influenza activity estimates as reported by state and territorial epidemiologists.	Weekly U.S. Influenza Surveillance Report Weekly influenza surveillance data prepared by the CDC. Attention: Non-MDH link

• Hospitalizations
  Number of people hospitalized each week with laboratory-confirmed influenza.
  
  
• School Outbreaks
  Number of schools reporting outbreaks of influenza-like illness (ILI).
  
  
• Long-Term Care (LTC) Outbreaks
  Influenza outbreaks in skilled nursing long-term care facilities.
  
  
• Doctor's Office Visits
  Influenza-like illness (ILI) reported by volunteer out-patient clinics across the state.
  
  
• Laboratory Testing Data
  Rapid testing and viral culture data from across the state, including influenza, RSV, and other circulating respiratory viruses.
  
  
• Vaccine Coverage and Distribution
  Number of doses of influenza vaccine that CDC has made available for Minnesota to order and distribution rates in the state.
  
  
• Weekly Influenza Activity
  Printable (PDF) versions of the weekly influenza activity pages for the 2009-2010 season.

• Weekly Influenza Statistics Archive
  Data for the past six influenza seasons, including a summary of 2009 H1N1 influenza.

• About Influenza Statistics
  Description on how influenza is monitored in Minnesota, along with links to CDC and WHO influenza reporting and annual summaries of influenza activity in Minnesota.

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