# Escherichia coli, Shiga toxin-producing outbreak — Michigan, 2011-12
> **Food** · Confirmed · 22 ill / 4 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-c99b05ab871e
- **Date:** 2011-12
- **State:** Michigan
- **Primary mode:** Food
- **Etiology:** Escherichia coli, Shiga toxin-producing (O157:H7)
- **Etiology status:** Confirmed
- **Setting:** Restaurant: Sit-down dining
## Impact
- **Illnesses:** 22
- **Hospitalizations:** 4
- **Deaths:** 0
## Food vehicle

- **Food:** pizza, tostada;sandwich, submarine
- **Contaminated ingredient:** lettuce
- **IFSAC category:** Vegetable Row Crops

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