Chicago Department of Public Health’s respiratory surveillance report for the week of 9/11/2022 - 9/17/2022 has been published. Please see the attachment for the full report.

Key points for the week:

COVID-19: metrics are based on 7-day averages

Chicago’s local COVID-19 Community Level is Low.
The number of new cases per 100,000 population is 100.
The number of new hospitalizations per 100,000 population has decreased from 7.1 to 6.6.
The proportion of staffed inpatient beds occupied by COVID-19 patients has decreased from 3.8% to 3.6%..

Influenza:

The risk of influenza infection is low; the percent of specimens testing positive for influenza is <1%.
The proportion of emergency department visits for influenza-like illness (ILI) is below local thresholds.
Clinicians should review guidelines for prescribing influenza anti-viral medications as prophylaxis or empiric treatment.
The Illinois Department of Public Health has issued Influenza Testing and Reporting Guidance for the 2022-2023 season. Visit the CDPH HAN website for more information on how to report.

Other Respiratory Viruses:

The percent of emergency department visits in children <5 years old due to RSV has increased from 2.1% last week to 3.3% for the current week.
Test positivity for RSV has increased from 3.6% last week to 5.4% for the current week. This is the second week with RSV PCR test positivity over 3%, indicating that the RSV season has started.
Test positivity for rhinovirus/enterovirus decreased from 39.5% last week to 32.1% for the current week.

About this report:  This report summarizes key respiratory virus surveillance indicators. The indicators are compiled from  laboratory-based data as well emergency department visit data. This report is meant to provide more context for the ongoing COVID-19 pandemic, particularly as co-circulation of respiratory viruses increases. More detailed information on influenza and COVID-19 activity can be found on their respective online dashboards.  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.

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