# Unknown;Unknown;Norovirus unknown outbreak — California, 1986-08
> **Water** · Suspected;Suspected;Confirmed · 41 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-f32c70e36d52
- **Date:** 1986-08
- **State:** California
- **Primary mode:** Water
- **Etiology:** Unknown;Unknown;Norovirus unknown
- **Etiology status:** Suspected;Suspected;Confirmed
- **Setting:** Outdoor Area
## Impact
- **Illnesses:** 41
- **Hospitalizations:** 0
- **Deaths:** 0
## Water exposure

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

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