# Norovirus Genogroup I outbreak — Illinois, 2013-04
> **Person-to-person** · Confirmed · 40 ill / 1 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-e42b36271de3
- **Date:** 2013-04
- **State:** Illinois
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus Genogroup I (unknown)
- **Etiology status:** Confirmed
- **Setting:** —
## Impact
- **Illnesses:** 40
- **Hospitalizations:** 1
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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