# Norovirus Genogroup II outbreak — Oklahoma, 2011-05
> **Food** · Confirmed · 39 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-c5a652b6f19e
- **Date:** 2011-05
- **State:** Oklahoma
- **Primary mode:** Food
- **Etiology:** Norovirus Genogroup II
- **Etiology status:** Confirmed
- **Setting:** Caterer
## Impact
- **Illnesses:** 39
- **Hospitalizations:** 0
- **Deaths:** 0
## Food vehicle

- **Food:** salad, unspecified;chicken
- **Contaminated ingredient:** —
- **IFSAC category:** Multiple

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