# Norovirus Genogroup I outbreak — Wisconsin, 1999-05
> **Food** · Confirmed · 9 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-a3f1a350fe5c
- **Date:** 1999-05
- **State:** Wisconsin
- **Primary mode:** Food
- **Etiology:** Norovirus Genogroup I
- **Etiology status:** Confirmed
- **Setting:** Office/indoor workplace
## Impact
- **Illnesses:** 9
- **Hospitalizations:** 0
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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