Respiratory Illness Dashboard
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Key Takeaways for the Week of January 22, 2026
- We are working to update our thresholds under the weekly summary part of the landing page. In the meantime, we've directly applied DHS' thresholds to the more current data presented on our dashboard.
- Among kids in the emergency department last week, just over 40% under 4 and just over 20% aged 5 to 17 were diagnosed with a respiratory illness.
- Based on emergency department data, flu continues to spread and is at a moderate level, impacting kids aged 17 and under the most. Last week, nearly 75% of air samples from schools within Dane County were positive for flu.
- RSV is at a moderate level, primarily effecting kids under 4. The percentage of positive RSV tests has been steadily increasing since the beginning of the year.
- COVID-19 wastewater levels are elevated in Madison and Oregon. Last week, over 50% of air samples from schools within Dane County were positive for COVID-19.
Dashboard Update Schedule
This dashboard is updated on Thursdays at 12:30 pm. If the dashboard is not updated then, we may be experiencing technical issues; check back at 4:30 pm. If we experience a delay in receiving data from one of our data sources, that data element will be updated the following week.
About These Data
Learn more about these data by reading our data notes
How to Prevent Illness
Other Data
- Wisconsin Department of Health Services
- Wastewater Data: Summary, COVID-19, Flu & RSV
- Vaccination Data: COVID-19, Flu, RSV
- Respiratory Illness Data
- Emergency Department Visit Data for COVID-19, Influenza, and RSV
- Laboratory-Based Respiratory Virus Data
- National COVID data
- National Flu data
- Wisconsin State Lab of Hygiene
Wastewater Data
This dashboard from the Wisconsin Department of Health Services shows the levels of COVID in wastewater across the state. To see the most up-to-date data for Madison, click on "Madison" in the left column.
