# Norovirus Genogroup II outbreak — California, 2012-01
> **Food** · Confirmed · 21 ill / 1 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-172d9bfdb2db
- **Date:** 2012-01
- **State:** California
- **Primary mode:** Food
- **Etiology:** Norovirus Genogroup II
- **Etiology status:** Confirmed
- **Setting:** Restaurant: Sit-down dining
## Impact
- **Illnesses:** 21
- **Hospitalizations:** 1
- **Deaths:** 0
## Food vehicle

- **Food:** lettuce based salads
- **Contaminated ingredient:** —
- **IFSAC category:** Multiple

## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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