# Norovirus Genogroup I outbreak — Missouri, 2023-07
> **Water** · Confirmed · 39 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-637ecd33fd08
- **Date:** 2023-07
- **State:** Missouri
- **Primary mode:** Water
- **Etiology:** Norovirus Genogroup I (GI.P4 GI.4)
- **Etiology status:** Confirmed
- **Setting:** Restaurant
## Impact
- **Illnesses:** 39
- **Hospitalizations:** 0
- **Deaths:** 0
## Water exposure

- **Exposure:** Drinking water
- **Water type:** Community

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