# Norovirus Genogroup I;Norovirus Genogroup I outbreak — California, 2018-12
> **Food** · Confirmed;Suspected · 65 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-da10622f8128
- **Date:** 2018-12
- **State:** California
- **Primary mode:** Food
- **Etiology:** Norovirus Genogroup I;Norovirus Genogroup I (GI.P4 GI.5;unknown)
- **Etiology status:** Confirmed;Suspected
- **Setting:** Restaurant: Sit-down dining;Private home/residence;Restaurant: Fast-food (drive up service or pay at counter)
## Impact
- **Illnesses:** 65
- **Hospitalizations:** 0
- **Deaths:** 0
## Food vehicle

- **Food:** oysters
- **Contaminated ingredient:** oysters
- **IFSAC category:** Mollusks

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