# Clostridium perfringens;Bacillus cereus outbreak — Michigan, 2023-12
> **Food** · Confirmed;Confirmed · 16 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-9a800b0d91d3
- **Date:** 2023-12
- **State:** Michigan
- **Primary mode:** Food
- **Etiology:** Clostridium perfringens;Bacillus cereus
- **Etiology status:** Confirmed;Confirmed
- **Setting:** Caterer
## Impact
- **Illnesses:** 16
- **Hospitalizations:** 0
- **Deaths:** 0
## Food vehicle

- **Food:** Roasted prime rib
- **Contaminated ingredient:** beef
- **IFSAC category:** Beef

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