# Norovirus unknown outbreak — Colorado, 2017-09
> **Food** · Confirmed · 27 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-eb8ff11e703e
- **Date:** 2017-09
- **State:** Colorado
- **Primary mode:** Food
- **Etiology:** Norovirus unknown
- **Etiology status:** Confirmed
- **Setting:** Restaurant: Other
## Impact
- **Illnesses:** 27
- **Hospitalizations:** 0
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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