# Pseudomonas unknown outbreak — Montana, 1978-02
> **Water** · Confirmed · 21 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-289584b2d6a7
- **Date:** 1978-02
- **State:** Montana
- **Primary mode:** Water
- **Etiology:** Pseudomonas unknown
- **Etiology status:** Confirmed
- **Setting:** Hotel/motel
## Impact
- **Illnesses:** 21
- **Hospitalizations:** 0
- **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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