# Norovirus Genogroup I;Norovirus Genogroup II outbreak — Colorado, 2011-07
> **Person-to-person** · Confirmed;Suspected · 8 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-95bb035c1634
- **Date:** 2011-07
- **State:** Colorado
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus Genogroup I;Norovirus Genogroup II (unknown)
- **Etiology status:** Confirmed;Suspected
- **Setting:** Other
## Impact
- **Illnesses:** 8
- **Hospitalizations:** 0
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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