# Norovirus Genogroup I;Norovirus Genogroup II outbreak — Washington, 2017-12
> **Food** · Suspected;Confirmed · 420 ill / 3 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-c4ac03fb7be2
- **Date:** 2017-12
- **State:** Washington
- **Primary mode:** Food
- **Etiology:** Norovirus Genogroup I;Norovirus Genogroup II
- **Etiology status:** Suspected;Confirmed
- **Setting:** Restaurant: Sit-down dining
## Impact
- **Illnesses:** 420
- **Hospitalizations:** 3
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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