# Legionella pneumophila outbreak — Colorado, 2011-08
> **Water** · Confirmed · 9 ill / 8 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-c56c412a0d6f
- **Date:** 2011-08
- **State:** Colorado
- **Primary mode:** Water
- **Etiology:** Legionella pneumophila (serogroup 1)
- **Etiology status:** Confirmed
- **Setting:** Hotel/motel
## Impact
- **Illnesses:** 9
- **Hospitalizations:** 8
- **Deaths:** 0
## Water exposure

- **Exposure:** Recreational water -- treated
- **Water type:** Hot Tub/Spa/Whirlpool

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