# Norovirus unknown outbreak — Colorado, 2023-05
> **Person-to-person** · Suspected · 7 ill / 3 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-35b7252fcddd
- **Date:** 2023-05
- **State:** Colorado
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus unknown
- **Etiology status:** Suspected
- **Setting:** Long-term care/nursing home/assisted living facility
## Impact
- **Illnesses:** 7
- **Hospitalizations:** 3
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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