# Norovirus Genogroup II outbreak — Oregon, 2011-09
> **Person-to-person** · Confirmed · 41 ill / 0 hosp / 4 deaths
## Outbreak
- **NORS ID:** NORS-483f0e67980d
- **Date:** 2011-09
- **State:** Oregon
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus Genogroup II (GII.4 Den Haag)
- **Etiology status:** Confirmed
- **Setting:** Long-term care/nursing home/assisted living facility
## Impact
- **Illnesses:** 41
- **Hospitalizations:** 0
- **Deaths:** 4
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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