This will be the last Chicago Flu Update issued for the 2020-2021 influenza season. The next update will be issued in October 2021. CDPH will continue to monitor surveillance indicators throughout the summer months. Influenza viruses are detected throughout the year at low levels and can cause disease. Vaccination is the best way to protect against influenza infection and all Chicagoans six months and older are encouraged to get vaccinated annually.

What is the risk?
Currently, the risk of influenza infection is low.

Which influenza strains are circulating?

For the week of May 16-22, 2021 there were no influenza associated ICU hospitalizations were reported.

Where can I get more information?

The Centers for Disease Control and Prevention’s FluView report provides national updates and trends related to the intensity of influenza activity across the United States, as well as detailed information on antiviral resistance, severity of illness, and other topics. Updates specific to Illinois and Suburban Cook County are also available online. Current and archived issues of the Chicago Flu Update can be found on the CDPH website section Current Flu Situation in Chicago

Reporting Information
Healthcare facilities can report cases to the Chicago Department of Public Health via the Illinois National Electronic Disease Surveillance System (INEDSS). Contact SyndromicSurveillance@cityofchicago.org for more information.

Please see the attachment for the full report.

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