# Escherichia coli, Shiga toxin-producing outbreak — Colorado, 2017-09
> **Water** · Confirmed · 6 ill / 2 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-676aca15537e
- **Date:** 2017-09
- **State:** Colorado
- **Primary mode:** Water
- **Etiology:** Escherichia coli, Shiga toxin-producing (O121)
- **Etiology status:** Confirmed
- **Setting:** Fee-based facility/membership club
## Impact
- **Illnesses:** 6
- **Hospitalizations:** 2
- **Deaths:** 0
## Water exposure

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

## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
---
*AI Analytics · CC0 1.0*