# Chlorine Gas outbreak — Wisconsin, 2021-12
> **Water** · Confirmed · 17 ill / 7 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-510966a83b5e
- **Date:** 2021-12
- **State:** Wisconsin
- **Primary mode:** Water
- **Etiology:** Chlorine Gas
- **Etiology status:** Confirmed
- **Setting:** School/college/university
## Impact
- **Illnesses:** 17
- **Hospitalizations:** 7
- **Deaths:** 0
## Water exposure

- **Exposure:** Recreational water -- treated
- **Water type:** Pool - Other Swimming Pool

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