# Norovirus unknown outbreak — Missouri, 2011-01
> **Person-to-person** · Confirmed · 33 ill / 14 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-b4dc07dd7dc7
- **Date:** 2011-01
- **State:** Missouri
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus unknown
- **Etiology status:** Confirmed
- **Setting:** Hospital
## Impact
- **Illnesses:** 33
- **Hospitalizations:** 14
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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