# Norovirus Genogroup I outbreak — Michigan, 2004-12
> **Food** · Confirmed · 33 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-8fa7dd5e0042
- **Date:** 2004-12
- **State:** Michigan
- **Primary mode:** Food
- **Etiology:** Norovirus Genogroup I
- **Etiology status:** Confirmed
- **Setting:** Restaurant: Other
## Impact
- **Illnesses:** 33
- **Hospitalizations:** 0
- **Deaths:** 0
## Food vehicle

- **Food:** ground beef, cheeseburger
- **Contaminated ingredient:** —
- **IFSAC category:** Beef

## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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