# Norovirus unknown outbreak — Multistate, 2018-03
> **Food** · Confirmed · 100 ill / 1 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-39eb032d2c2b
- **Date:** 2018-03
- **State:** Multistate
- **Primary mode:** Food
- **Etiology:** Norovirus unknown
- **Etiology status:** Confirmed
- **Setting:** Restaurant: Fast-food (drive up service or pay at counter);Restaurant: Sit-down dining;Caterer
## Impact
- **Illnesses:** 100
- **Hospitalizations:** 1
- **Deaths:** 0
## Food vehicle

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

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