# Histamine outbreak — Wisconsin, 2021-10
> **Food** · Confirmed · 4 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-746c9240938e
- **Date:** 2021-10
- **State:** Wisconsin
- **Primary mode:** Food
- **Etiology:** Histamine
- **Etiology status:** Confirmed
- **Setting:** Private home/residence
## Impact
- **Illnesses:** 4
- **Hospitalizations:** 0
- **Deaths:** 0
## Food vehicle

- **Food:** Ahi Tuna
- **Contaminated ingredient:** tuna
- **IFSAC category:** Fish

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