# Norovirus unknown outbreak — Illinois, 2013-01
> **Person-to-person** · Suspected · 26 ill / 9 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-adfb0c080b9c
- **Date:** 2013-01
- **State:** Illinois
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus unknown
- **Etiology status:** Suspected
- **Setting:** —
## Impact
- **Illnesses:** 26
- **Hospitalizations:** 9
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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