# Giardia duodenalis outbreak — Utah, 1974-09
> **Water** · Confirmed · 34 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-7a8fe97cb8f1
- **Date:** 1974-09
- **State:** Utah
- **Primary mode:** Water
- **Etiology:** Giardia duodenalis
- **Etiology status:** Confirmed
- **Setting:** Backcountry/wilderness area
## Impact
- **Illnesses:** 34
- **Hospitalizations:** 0
- **Deaths:** 0
## Water exposure

- **Exposure:** Other/Environmental water
- **Water type:** —

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