# Norovirus unknown outbreak — California, 2009-04
> **Food** · Confirmed · 18 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-abdb220e64df
- **Date:** 2009-04
- **State:** California
- **Primary mode:** Food
- **Etiology:** Norovirus unknown
- **Etiology status:** Confirmed
- **Setting:** —
## Impact
- **Illnesses:** 18
- **Hospitalizations:** 0
- **Deaths:** 0
## Food vehicle

- **Food:** egg-containing food, other
- **Contaminated ingredient:** —
- **IFSAC category:** Multiple

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