Contra Costa Weekly Flu Update
Updated February 16, 2018
This information will be updated every Friday.
Public Health does not track all cases of influenza in the community. These data only include lab-confirmed deaths of flu patients who were younger than 65.
Data is from October 2017 to February 16, 2018.
About this information
Contra Costa Public Health collects and analyzes information from many sources to track influenza activity during flu season.
The data help us to track the spread and severity of the disease in our community, compare trends to past flu seasons and provide the best possible health advice for Contra Costa residents.
National flu information is also available from the Centers for Disease Control & Prevention.