# Norovirus unknown outbreak — Colorado, 2021-11
> **Person-to-person** · Suspected · 10 ill / 1 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-ee616db94cf9
- **Date:** 2021-11
- **State:** Colorado
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus unknown
- **Etiology status:** Suspected
- **Setting:** Child daycare/preschool
## Impact
- **Illnesses:** 10
- **Hospitalizations:** 1
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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