# Norovirus Genogroup II outbreak — Illinois, 2018-12
> **Food** · Suspected · 23 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-5b73f19194fb
- **Date:** 2018-12
- **State:** Illinois
- **Primary mode:** Food
- **Etiology:** Norovirus Genogroup II
- **Etiology status:** Suspected
- **Setting:** Caterer
## Impact
- **Illnesses:** 23
- **Hospitalizations:** 0
- **Deaths:** 0
## Food vehicle

- **Food:** Salads
- **Contaminated ingredient:** tomato;lettuce
- **IFSAC category:** Multiple

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