The Illinois Department of Public Health (IDPH) is issuing updated guidance related to submission of influenza laboratory specimens and reporting.

About this report

The Chicago Department of Public Health utilizes various surveillance indicators to monitor influenza activity in Chicago. This includes surveillance for influenza-associated intensive care unit (ICU) hospitalizations, monitoring circulating influenza viruses, as well outpatient and emergency department visits that are due to influenza-like illness (ILI). Influenza surveillance data are typically aggregated by week. This report is updated on Fridays for the previous Saturday through Sunday. On all graphs, the week ending date is displayed. Ending dates are accurate for the current season but are approximations for all other years. All data presented here are preliminary and may change as more reports are received. Reported percentages for previous seasons represent final, end of season data and may differ from previously published reports. All data presented on this page, except where otherwise noted, are available through the Chicago Data Portal .

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

Intensive Care Unit (ICU) Hospitalizations

For the week of October 10-16, 2021, there were no influenza associated ICU hospitalizations were reported.

Please see the attachment for the full report.

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