# Norovirus Genogroup I outbreak — Michigan, 2004-05
> **Food** · Confirmed · 10 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-796397f83749
- **Date:** 2004-05
- **State:** Michigan
- **Primary mode:** Food
- **Etiology:** Norovirus Genogroup I (GI.1)
- **Etiology status:** Confirmed
- **Setting:** Restaurant: Other
## Impact
- **Illnesses:** 10
- **Hospitalizations:** 0
- **Deaths:** 0
## Food vehicle

- **Food:** waldorf salad
- **Contaminated ingredient:** —
- **IFSAC category:** Multiple

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