# Norovirus unknown outbreak — Illinois, 2023-12
> **Environmental contamination other than food/water** · Confirmed · 11 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-c3dfd45b6c1c
- **Date:** 2023-12
- **State:** Illinois
- **Primary mode:** Environmental contamination other than food/water
- **Etiology:** Norovirus unknown
- **Etiology status:** Confirmed
- **Setting:** Other
## Impact
- **Illnesses:** 11
- **Hospitalizations:** 0
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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