
Flu surge in Michigan: State reaches worst tier on CDC scale
Key Points:
- Michigan's flu activity reached the highest "very high" level for the week ending Dec. 27, with 18 states nationwide also reporting top-tier flu activity, signaling a severe flu season.
- Influenza-like illness accounted for 11.3% of outpatient visits in Michigan, surpassing the national average of 8.2%, and flu test positivity rates at Henry Ford Health peaked at 33%, higher than previous seasons.
- Hospitalizations are rising sharply across the U.S., especially among adults 65+ and children under 5, with Influenza A H3N2 subtype causing most cases; federal estimates report 11 million illnesses and 5,000 deaths so far this season.
- Michigan hospitals are monitoring




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