# Norovirus Genogroup II outbreak — Wyoming, 2009-09
> **Food** · Confirmed · 22 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-93c8acc324ec
- **Date:** 2009-09
- **State:** Wyoming
- **Primary mode:** Food
- **Etiology:** Norovirus Genogroup II
- **Etiology status:** Confirmed
- **Setting:** Other
## Impact
- **Illnesses:** 22
- **Hospitalizations:** 0
- **Deaths:** 0
## Food vehicle

- **Food:** Vegetables;salad dressings;milk, 1% milk pasteurized;lettuce based salads;leaf lettuce;cheddar cheese, pasteurized;cheddar cheese
- **Contaminated ingredient:** leaf lettuce;cheddar cheese, pasteurized
- **IFSAC category:** Multiple

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