# Giardia unknown outbreak — Missouri, 2004-03
> **Water** · Confirmed · 9 ill / 1 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-865948501e70
- **Date:** 2004-03
- **State:** Missouri
- **Primary mode:** Water
- **Etiology:** Giardia unknown
- **Etiology status:** Confirmed
- **Setting:** Unknown
## Impact
- **Illnesses:** 9
- **Hospitalizations:** 1
- **Deaths:** 0
## Water exposure

- **Exposure:** Recreational water -- untreated
- **Water type:** Lake/Reservoir

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