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Influenza Surveillance Data

Oregon Surveillance Data

Flu Bites

Magnifying glass being used to examine a colorful bar chartFlu Bites is Oregon's weekly influenza surveillance report, produced during influenza season, October-April. The report for the 2023-2024 influenza season will be available beginning October 13th, 2023.

View the current report (pdf)

Hospital Surveillance Data

Influenza-related hospitalizations in the Portland Tri-County area

Healthcare Worker Influenza Vaccination

Visit the HAI Publications page to find current and previous reports on healthcare worker vaccination rates for influenza.

Oregon ILI Surveillance Data  

2010-2011 Season
2009-2010 Season
2008-2009 Season

U.S. Surveillance Data

Global Surveillance Data