# Norovirus unknown outbreak — Illinois, 2013-05
> **Person-to-person** · Suspected · 21 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-f9088ef76ef9
- **Date:** 2013-05
- **State:** Illinois
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus unknown
- **Etiology status:** Suspected
- **Setting:** —
## Impact
- **Illnesses:** 21
- **Hospitalizations:** 0
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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*MORVS · CC0 1.0*