Overview
- Troy Community Consolidated School District 30-C shifted to an e-learning day due to widespread stomach illness, with deep cleaning planned over winter break.
- Silver Cross Hospital near New Lenox reported dozens of norovirus cases in its emergency department over the past week as local health alerts increased.
- WasteWaterSCAN detected a roughly 42% rise in median norovirus concentration since November, with activity rated high in the week of Dec. 8.
- UKHSA and NHS Inform advise staying home for 48 hours after vomiting or diarrhea stops and recommend avoiding hospital visits to protect vulnerable people.
- CDC guidance emphasizes handwashing with soap and water and bleach-based cleaning (5–25 tablespoons per gallon with 5-minute contact time), noting alcohol sanitizers are unreliable against norovirus.