# Norovirus unknown outbreak — Colorado, 2023-04
> **Person-to-person** · Suspected · 37 ill / 1 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-2dc0e44ad5b2
- **Date:** 2023-04
- **State:** Colorado
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus unknown
- **Etiology status:** Suspected
- **Setting:** Correctional/detention facility
## Impact
- **Illnesses:** 37
- **Hospitalizations:** 1
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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