# Norovirus unknown outbreak — California, 2001-07
> **Food** · Suspected · 19 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-ee7cf6cf4900
- **Date:** 2001-07
- **State:** California
- **Primary mode:** Food
- **Etiology:** Norovirus unknown
- **Etiology status:** Suspected
- **Setting:** Unknown
## Impact
- **Illnesses:** 19
- **Hospitalizations:** 0
- **Deaths:** 0
## Food vehicle

- **Food:** celery, unspecified
- **Contaminated ingredient:** leafy green
- **IFSAC category:** Vegetable Row Crops

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